Why won't my svg animation work? - css

I have this svg that I've been trying to animate for like two weeks now ...
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
xmlns="http://www.w3.org/2000/svg"
id="svg1"
version="1.1"
viewBox="49.595489 30.040314 84.135223 84.305336"
height="84.305336mm"
width="84.135223mm">
<defs>
<style>
.logo{
stroke-dasharray: 800;
stroke-dashoffset: 0;
-webkit-animation: dash 2s linear forwards;
}
#-webkit-keyframes dash {
from {
stroke-dashoffset: 800;
}
to {
stroke-dashoffset: 0;
}
}
</style>
</defs>
<path class="logo"
id="logo"
d="m 70.303571,78.340773 c -4.032971,0.006 -8.033187,1.698025 -10.862132,4.572387 -2.828946,2.874362 -4.455685,6.891674 -4.445904,10.924637 0.0095,3.927963 1.572604,7.841853 4.315065,10.653953 2.74246,2.8121 6.641232,4.47709 10.569138,4.45364 4.633366,-0.0277 9.108311,-2.43049 12.384652,-5.70683 3.574526,-3.57453 6.411017,-6.242046 9.347584,-9.825986 0,0 7.17598,-6.918764 10.743336,-10.51178 3.56737,-3.593016 7.41006,-7.169152 11.08478,-10.843875 3.34645,-3.346446 6.32139,-6.581106 9.51049,-9.812482 3.3753,-3.420038 5.15813,-7.12199 5.18334,-11.661986 0.0216,-3.889398 -1.60848,-8.155743 -4.38434,-10.880165 -2.77587,-2.724421 -6.6563,-4.279784 -10.54572,-4.261811 -3.8759,0.01791 -7.72562,1.595418 -10.48769,4.314587 -2.762056,2.71917 -5.002206,6.149863 -4.776456,11.428746 -0.0484,4.514439 2.874106,9.098792 5.148056,11.372746 3.19237,3.192372 6.9848,6.227335 10.17717,9.419709 3.20164,3.201638 6.0452,5.990107 9.58187,9.526778 1.80732,1.807321 3.93629,5.149881 4.68721,7.593023 0.75092,2.443141 1.01197,5.054051 0.5999,7.576553 -0.55185,3.378163 -2.33545,6.072793 -4.93781,8.296363 -2.60235,2.22358 -5.80201,3.69214 -9.22483,3.7206 -4.69281,0.039 -9.04011,-1.51725 -12.0905,-4.81311 -3.187696,-3.44421 -7.211206,-7.037566 -10.268806,-10.463896 -3.057595,-3.42633 -6.28628,-6.607684 -9.408672,-9.762441 -3.174881,-3.207791 -7.386446,-5.316042 -11.899731,-5.30936 z"
style="fill:none;fill-opacity:1;stroke:#febc00;stroke-width:10.80000019;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
</svg>
I followed instructions in this video. Even tried adding an extra style line like he did in the video by copy pasting style from inside path. I'm not sure it makes a difference where those attributes are.
<style type = "txt/css">
.logo{fill:none;fill-opacity:1;stroke:#febc00;stroke-width:10.80000019;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1}
but it didn't work :( If i leave the line above and remove style from path, all the attributes get lost, so I guess it can't reference them the way he does in the video. I'm not sure what's wrong this time.
the html source code is just
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8"/>
<meta http-equip="X-UA-Compatible" content="IE=edge, chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title> SVG Line Animation Demo</title>
</head>
<body>
<div style = "text-align: center; padding: 150px 0;">
<object>
<embed src="path.svg">
</object>
</div>
</body>
</html>


The stroke-dasharray:none that you have set on the path overrides and prevents the animation. Removing that fixes it.
I've also removed the webkit bits so it should work on more browsers now.
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg xmlns="http://www.w3.org/2000/svg" id="svg1" version="1.1" viewBox="49.595489 30.040314 84.135223 84.305336" height="84.305336mm" width="84.135223mm">
<defs>
<style>
.logo{
stroke-dasharray: 800;
stroke-dashoffset: 0;
animation: dash 2s linear forwards;
}
#keyframes dash {
from {
stroke-dashoffset: 800;
}
to {
stroke-dashoffset: 0;
}
}
</style>
</defs>
<path class="logo"
id="logo"
d="m 70.303571,78.340773 c -4.032971,0.006 -8.033187,1.698025 -10.862132,4.572387 -2.828946,2.874362 -4.455685,6.891674 -4.445904,10.924637 0.0095,3.927963 1.572604,7.841853 4.315065,10.653953 2.74246,2.8121 6.641232,4.47709 10.569138,4.45364 4.633366,-0.0277 9.108311,-2.43049 12.384652,-5.70683 3.574526,-3.57453 6.411017,-6.242046 9.347584,-9.825986 0,0 7.17598,-6.918764 10.743336,-10.51178 3.56737,-3.593016 7.41006,-7.169152 11.08478,-10.843875 3.34645,-3.346446 6.32139,-6.581106 9.51049,-9.812482 3.3753,-3.420038 5.15813,-7.12199 5.18334,-11.661986 0.0216,-3.889398 -1.60848,-8.155743 -4.38434,-10.880165 -2.77587,-2.724421 -6.6563,-4.279784 -10.54572,-4.261811 -3.8759,0.01791 -7.72562,1.595418 -10.48769,4.314587 -2.762056,2.71917 -5.002206,6.149863 -4.776456,11.428746 -0.0484,4.514439 2.874106,9.098792 5.148056,11.372746 3.19237,3.192372 6.9848,6.227335 10.17717,9.419709 3.20164,3.201638 6.0452,5.990107 9.58187,9.526778 1.80732,1.807321 3.93629,5.149881 4.68721,7.593023 0.75092,2.443141 1.01197,5.054051 0.5999,7.576553 -0.55185,3.378163 -2.33545,6.072793 -4.93781,8.296363 -2.60235,2.22358 -5.80201,3.69214 -9.22483,3.7206 -4.69281,0.039 -9.04011,-1.51725 -12.0905,-4.81311 -3.187696,-3.44421 -7.211206,-7.037566 -10.268806,-10.463896 -3.057595,-3.42633 -6.28628,-6.607684 -9.408672,-9.762441 -3.174881,-3.207791 -7.386446,-5.316042 -11.899731,-5.30936 z"
style="fill:none;fill-opacity:1;stroke:#febc00;stroke-width:10.80000019;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1" />
</svg>

Related

Svg not render <path> when added css all:revert

I'm using 3rd party UI library, which is includes such rule:
* {all: revert;}
then I add svg, but it's not renders, since width and height of <path> is equal to 0.
I have no ability to remove all: revert; in code (only override).
Here is demo:
https://codesandbox.io/s/suspicious-cori-4pgfh
What style need to add to <path> to make it visible?
UPD: Here code snippet
body {
font-family: sans-serif;
}
/* this cannot be removed */
body * {
all: revert; /* this added by 3-rd party library */
}
.svg-wrapper * {
display: block;
width: 100px;
height: 100px;
}
.svg-wrapper path {
display: block;
width: 100px;
height: 100px;
}
<!DOCTYPE html>
<html>
<head>
<title>Parcel Sandbox</title>
<meta charset="UTF-8" />
</head>
<body>
<div class="svg-wrapper">
<svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
<path
d="M 10,30
A 20,20 0,0,1 50,30
A 20,20 0,0,1 90,30
Q 90,60 50,90
Q 10,60 10,30 z"
/>
</svg>
</div>
</body>
</html>
UPD: When override with body * { all: initial; } - doesn't work

It's the d data (which is also a CSS property now) that gets reset by all: revert;, and because CSS properties always override SVG attributes, your <path> doesn't contain a shape anymore.
The only fix I could find is to run a script that copies the d SVG attribute into the d CSS property on all <path> elments:
document.querySelectorAll('path').forEach(path => {
const data = path.getAttribute('d').replace(/\s+/g, ' '),
cssData = `path("${data}")`;
path.style.d = cssData;
});
document.querySelectorAll('path').forEach(path => {
const data = path.getAttribute('d').replace(/\s+/g, ' '),
cssData = `path("${data}")`;
path.style.d = cssData;
});
body {
font-family: sans-serif;
}
/* this cannot be removed */
body * {
all: revert; /* this added by 3-rd party library */
}
.svg-wrapper * {
display: block;
width: 100px;
height: 100px;
}
.svg-wrapper path {
display: block;
width: 100px;
height: 100px;
}
<!DOCTYPE html>
<html>
<head>
<title>Parcel Sandbox</title>
<meta charset="UTF-8" />
</head>
<body>
<div class="svg-wrapper">
<svg viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
<path
d="M 10,30
A 20,20 0,0,1 50,30
A 20,20 0,0,1 90,30
Q 90,60 50,90
Q 10,60 10,30 z"
/>
</svg>
</div>
</body>
</html>

*:not(path) {all: revert;} will apply the revert but keep the SVG path intact

CSS different output in mozilla firefox and internet explorer

I'm practicing css and I came across this problem. I'm using an svg as a background. I get the result that I want when I try to run it in Opera and Google Chrome, like this:
But when I try to run it in mozilla, it appears like this, there are a few spaces in the top and bottom:
And also, in Internet Explorer, the svg appeared a lot more out of place, like this:
I've tried using css reset, but nothing happened.
Here is my svg code
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 24 22.58">
<defs><style>.cls-1{fill:url(#linear-gradient);}</style><linearGradient id="linear-gradient" x1="15.6" y1="9.41" x2="10.68" y2="22.94" gradientUnits="userSpaceOnUse">
<stop offset="0" stop-color="#65ffb7"/><stop offset="1" stop-color="#47f2d0"/></linearGradient></defs>
<title>landing bg</title><g id="Layer_2" data-name="Layer 2"><g id="Layer_1-2" data-name="Layer 1">
<polygon class="cls-1" points="10.54 0 0 16.03 9.31 22.58 24 22.58 24 0 10.54 0"/></g></g></svg>
CSS Code
body
{
background-color: white;
}
.frame1
{
background: #000000 url('../images/landing_bg.svg');
background-repeat: no-repeat;
background-position: right;
height: 900px;
width: 100%;
position: absolute;
min-width: 900px;
top: 0;
right: 0;
}
HTML Code
<!DOCTYPE html>
<html>
<head>
<link rel = "stylesheet" type = "text/css" href = "main page/main.css">
<link rel = "stylesheet" type = "text/css" href = "main page/reset.css">
</head>
<body>
<div class = "frame1">
</div>
</body>
Am I missing something or is there something that I should remove in order to get my desired result(see first picture) ?

It seems like your viewbox of the svg is the problem.
Try e.g.
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 24 24">
To be honest, I am not able to provide any information to explain this behaviour. But I've found this topic, maybe it's related to the reason.

In your HTML, try switching the positions of your main.css and reset.css links in the head. Stylesheets are loaded in the sequence they are linked and this may be why your reset is not working as expected.

I got my desired result on mozilla when I changed the svg viewBox. But for Internet Explorer, nothing happened when I changed the svg viewBox. Maybe I'll try adding a stylesheet that is specifically for Internet Explorer.
P.S.
Sorry for the late response, I got sick :/ but I am well now. Thanks!

:hover not working on svg when svg is in external file

So I'm learning SVG animation.
Basically all I'm trying to do is change the color of a circle when it's hovered over.
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
viewBox="0 0 437.1 294.4" style="enable-background:new 0 0 437.1 294.4;" xml:space="preserve">
<style type="text/css">
.st0:hover {
fill: red;
}
</style>
<g id="Circle">
<path class="st0" d="M291.3,147.4c0,77-62.4,139.4-139.4,139.4S12.5,224.4,12.5,147.4C12.6,70.4,75,8,151.9,8
C228.9,8,291.3,70.4,291.3,147.4"/>
</g>
</svg>
This works exactly as expected when the svg code is inside the html file.
However, when I put it inside an svg file and call it in using the img tag the hover effect no longer works.
<img class="logo" src="url/logo.svg">
Is there a way to do this without embedding the svg code inside the html?
Thanks!

Can't be done with the <img> tag. See: Styling And Animating SVGs With CSS. Near the bottom of the page of this article there's a table with the pros and cons of each SVG embedding technique (ie, img, object, etc.). I have reproduced the table here:
| | CSS Interactions | CSS Animations | SVG Animations |
|:--------------------:|:----------------:|:--------------:|:--------------:|
| <img> | No | Yes* | Yes |
| CSS background image | No | Yes* | Yes |
| <object> | Yes* | Yes* | Yes |
| <iframe> | Yes* | Yes* | Yes |
| <embed> | Yes* | Yes* | Yes |
| <svg> (inline) | Yes | Yes | Yes |
*Only if inside <svg>

I am writing this answer as a sort of applied version of Sean's answer. The following snippet shows varying forms of how you can utilize <svg> and what their capabilities are in each context.
The main takeaway is that depending on the context, the <svg> may or may not receive style rules from the top level document and may or may not receive interactive events from the top level document (:hover).
I suggest you view the snippet below to see the applications in action:
const someSVG = `
<svg width="128" height="128" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
<style>
.interactive.from-svg {
fill: red;
transition: fill 200ms ease;
}
.interactive.from-svg:hover {
fill: blue;
}
.animated.from-svg{
animation: 3s infinite alternate changecolor;
}
#keyframes changecolor{
from {
fill: green;
}
to {
fill: purple;
}
}
</style>
<circle class="interactive from-doc" cx="25" cy="25" r="25"></circle>
<circle class="animated from-doc" cx="75" cy="25" r="25"></circle>
<circle class="interactive from-svg" cx="25" cy="75" r="25"></circle>
<circle class="animated from-svg" cx="75" cy="75" r="25"></circle>
</svg>
`;
const dataUri = `data:image/svg+xml;base64,${btoa(someSVG)}`;
const imgContainer = document.getElementById("img-container"),
img = document.createElement("img");
imgContainer.appendChild(img);
img.src = dataUri;
const backgroundImageContainer = document.getElementById("background-image-container"),
backgroundImage = document.createElement("div");
backgroundImageContainer.appendChild(backgroundImage);
backgroundImage.style.width = "128px";
backgroundImage.style.height = "128px";
backgroundImage.style.backgroundImage = `url(${dataUri})`;
const iframeContainer = document.getElementById("iframe-container"),
iframe = document.createElement("iframe");
iframeContainer.appendChild(iframe);
iframe.src = dataUri;
main {
display: flex;
flex-wrap: wrap;
justify-content: space-between;
}
section {
flex-basis: 50%;
flex-grow: 1;
flex-shrink: 0;
}
.interactive.from-doc {
fill: red;
transition: fill 200ms ease;
}
.interactive.from-doc:hover {
fill: blue;
}
.animated.from-doc {
animation: 3s infinite alternate changecolor;
}
#keyframes changecolor {
from {
fill: green;
}
to {
fill: purple;
}
}
li.pro {
color: green;
}
li.con {
color: red;
}
<h1><code><svg></code> Usage Comparison</h1>
<main>
<section id="external">
<h2><code><img></code></h2>
<div id="img-container"></div>
<pre><code><img src="some.svg"></code></pre>
<ul>
<li class="con">Does not receive <strong>any</strong> style from top level document</li>
<li class="con">Does not utilize CSS Interactions such as <code>:hover</code></li>
<li class="pro">Will use CSS Animations if they are defined within the svg element's style</li>
</ul>
</section>
<section>
<h2><code>background-image</code></h2>
<div id="background-image-container"></div>
<pre><code>
<style>
.rule{
background-image: url(some.svg);
}
</style>
<div class="rule"></div>
</code></pre>
<ul>
<li class="con">Does not receive <strong>any</strong> style from top level document</li>
<li class="con">Does not utilize CSS Interactions</li>
<li class="pro">Will use CSS Animations if they are defined within the svg element's style</li>
</ul>
</section>
<section>
<h2><code><iframe></code></h2>
<div id="iframe-container"></div>
<pre><code><iframe src="some.svg"></code></pre>
<ul>
<li class="con">Does not receive <strong>any</strong> style from top level document</li>
<li class="pro">Will use CSS Interactions if they are defined within the svg element's style</li>
<li class="pro">Will use CSS Animations if they are defined within the svg element's style</li>
</ul>
</section>
<section>
<h2>Inline <code><svg></code></h2>
<svg width="128" height="128" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
<style>
.interactive.from-svg {
fill: red;
transition: fill 200ms ease;
}
.interactive.from-svg:hover {
fill: blue;
}
.animated.from-svg{
animation: 3s infinite alternate changecolor;
}
#keyframes changecolor{
from {
fill: green;
}
to {
fill: purple;
}
}
</style>
<circle class="interactive from-doc" cx="25" cy="25" r="25"></circle>
<circle class="animated from-doc" cx="75" cy="25" r="25"></circle>
<circle class="interactive from-svg" cx="25" cy="75" r="25"></circle>
<circle class="animated from-svg" cx="75" cy="75" r="25"></circle>
</svg>
<pre><code><svg>...</svg></code></pre>
<ul>
<li class="pro">Receives <strong>all</strong> style rules from top level document</li>
<li class="pro">Will use CSS Interactions if they are defined within the svg element's style</li>
<li class="pro">Will use CSS Animations if they are defined within the svg element's style</li>
</ul>
</section>
</main>
<img>
<img src="some.svg">
Does not receive any style from top level document
Does not utilize CSS Interactions such as :hover
Will use CSS Animations if they are defined within the svg element's style
background-image
<style>
.rule {
background-image: url(some.svg);
}
</style>
<div class="rule"></div>
Does not receive any style from top level document
Does not utilize CSS Interactions
Will use CSS Animations if they are defined within the svg element's style
<iframe>
<iframe src="some.svg"></iframe>
Does not receive any style from top level document
Will use CSS Interactions if they are defined within the svg element's style
Will use CSS Animations if they are defined within the svg element's style
inline <svg>
<svg>...</svg>
Receives all style rules from top level document
Will use CSS Interactions if they are defined within the svg element's style
Will use CSS Animations if they are defined within the svg element's style

How to make specific shaped divs

I am working on a project that has a map on it. Each section of the map highlights as you hover over it, and it hyperlinks to a corresponding website. On some of the areas, I can just size a div and absolutely place it with overlaying background image set to opacity:0. On Hover I change the opacity to 1 and all is good. Some of the other areas are too specific of a shape, so I've used transform to rotate the div, but I can't get specific enough. I'm getting too much overlap. Maybe I'm going about this the wrong way. I'm looking for any help. I've tried many things and I'm in a rut. Here is where I'm at now.
https://jsfiddle.net/4w3emy4o/2/
<div class="erieBasin">
<div id="essex"></div>
<div id="thames"></div>
<div class="kettle"></div>
<div class="close"></div>
</div>
.erieBasin {
position:absolute;
width:900px;
height:589px;
z-index:100;
background-image: url(http://i67.tinypic.com/2h4b23k.jpg);
}
#essex {
position:absolute;
top:270px;
left:275px;
width:91px;
height:72px;
background-image: url(http://i63.tinypic.com/28s6cew.jpg);
opacity: 0;
}
#essex:hover {
opacity:1;
}
#thames {
position:absolute;
top:222px;
left:325px;
width:215px;
height:60px;
background-image: url(http://i66.tinypic.com/2nl8dwx.jpg);
-ms-transform: rotate(-32deg); /* IE 9 */
-webkit-transform: rotate(-32deg); /* Safari */
transform: rotate(-32deg);
opacity: 0;
}
#thames:hover {
opacity:1;
}

Although I like freestock's answer, I want to suggest a different approach.
There is an element, that is specifically designed for such purposes: map. You can define polygons with it.
The basic usage is:
<img src="shapes.png" usemap="#shapes" >
<map name="shapes">
<area shape=rect coords="50,50,100,100">
<area shape=rect coords="25,25,125,125" href="red.html" >
<area shape=poly coords="450,25,435,60,400,75,435,90,450,125,465,90,500,75,465,60" href="yellow.html">
</map>
example taken from the w3 link

SVG alternative:.
1- SVG Clip-path On this first snippet there's a svg clip-path ( helper: clip-path-generator ) applied on an image and a blury clone without the clip-path, both inside a container. A low opacity color layer was added to let the highlight even more clear. The clip-path area gets highlighted on :hover
ps.1: made with the polygonal lasso tool quick and careless since its just an example.
ps.2: on this clip-path generator, you can click and drag a picture from your Desktop into the canvas. You can easily find more clip-path generators around the web like this one.
ps.3: you can build svg shapes on graphic softwares (like Inkscape or Adobe Illustrator) instead.
body {
margin: 0;
background: lavender;
}
.clipped {
cursor: pointer;
}
.clipped:hover {
-webkit-filter: contrast(200%); /* Chrome, Safari, Opera */
filter: contrast(200%);
}
.container {
position: relative;
vertical-align: bottom;
display: inline-block;
border: 4px solid indigo;
box-sizing: border-box;
overflow: hidden;
}
.color {
position: absolute;
top: 0;
left: 0;
width:100%;
height:100%;
background-color: red;
opacity: 0.2;
}
.back {
-webkit-filter: blur(2px); /* Chrome, Safari, Opera */
filter: blur(2px);
}
.clipped {
position: absolute;
top:0;
left:0;
}
#clip1 {
/*Chrome,Safari*/
-webkit-clip-path: polygon(578px 230px,581px 228px,584px 228px,587px 230px,591px 232px,597px 236px,618px 239px,624px 238px,642px 241px,667px 245px,674px 245px,677px 243px,666px 238px,661px 240px,653px 238px,647px 233px,643px 234px,627px 234px,624px 230px,634px 223px,639px 225px,638px 221px,646px 213px,652px 207px,656px 204px,660px 206px,668px 203px,678px 200px,686px 203px,690px 199px,715px 195px,713px 192px,714px 186px,711px 188px,705px 188px,694px 185px,692px 180px,688px 183px,686px 178px,672px 175px,664px 181px,663px 176px,659px 175px,642px 172px,641px 170px,634px 168px,634px 160px,631px 157px,625px 157px,625px 155px,619px 155px,597px 158px,587px 167px,589px 171px,584px 173px,574px 183px,574px 186px,567px 188px,565px 189px,577px 190px,579px 193px,578px 196px,575px 196px,569px 202px,567px 206px,562px 210px,569px 215px,572px 217px,574px 226px);
/*Firefox*/
clip-path: url("#clipPolygon");
/* iOS support inline encoded svg file*/
-webkit-mask: url(data:image/svg+xml;charset=utf-8;base64,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) no-repeat;
}
<div class=container>
<img class=back src="http://i67.tinypic.com/2h4b23k.jpg" alt=img>
<div class=color></div>
<img id=clip1 class=clipped src="http://i67.tinypic.com/2h4b23k.jpg" alt=img onClick="window.location.href = 'http://erca.org/'">
</div>
<svg width="0" height="0">
<clipPath id="clipPolygon">
<polygon points="578 230,581 228,584 228,587 230,591 232,597 236,618 239,624 238,642 241,667 245,674 245,677 243,666 238,661 240,653 238,647 233,643 234,627 234,624 230,634 223,639 225,638 221,646 213,652 207,656 204,660 206,668 203,678 200,686 203,690 199,715 195,713 192,714 186,711 188,705 188,694 185,692 180,688 183,686 178,672 175,664 181,663 176,659 175,642 172,641 170,634 168,634 160,631 157,625 157,625 155,619 155,597 158,587 167,589 171,584 173,574 183,574 186,567 188,565 189,577 190,579 193,578 196,575 196,569 202,567 206,562 210,569 215,572 217,574 226">
</polygon>
</clipPath>
</svg>
2- SVG shape Second snippet, more simple: single pic without filters/clip-path plus a solid svg shape made on Adobe Illustrator with the pen tool:
#container {
position: relative;
}
svg {
position: absolute;
top: 0;
left: 0;
}
polygon {
cursor: pointer;
opacity: 0.6;
fill: green;
}
polygon:hover {
opacity: 0.8;
fill: red;
}
<div id=container>
<img src="http://i67.tinypic.com/2h4b23k.jpg" alt=pic>
<svg x="0px" y="0px" width="900px" height="589px" viewBox="0 0 900 589">
<polygon onClick="window.location.href = 'http://erca.org/'" points="364.333,317.333 357,311 348,310.667 347,307.667 349.333,305.667 352.333,305 351.667,302.333
349.667,300.667 351,292.667 353,291 356.667,292.667 357.333,295 359.333,283.667 369,276.333 370.667,269.667 371,258.333
374.667,260 384,257.333 391.333,253.333 392.333,256.667 396.667,253.333 399.667,257 406,254 406.667,251.333 413.667,246.333
416.667,246.333 419.333,244.667 419.333,239.333 425,239.333 426,233 435,228.333 438.667,231 442,227 451.334,221.333 456,221
455,209.333 461.667,208 463.334,206 463.334,200.333 472,199 476.667,197.333 476.334,195 473.667,194 480.334,193 487.334,191
487.334,187 489.667,184 492.334,187 497,184.333 506,183 510.667,184 516.667,190.667 510,188.333 505.334,189.667 505,196
508.334,196.667 511.334,199 507.667,202.667 509,205 510.334,206.667 515.667,205.667 523,206.667 523.667,208 517.334,213.333
515,215.333 513,215.333 511.667,219.333 507.667,218.667 509,224 506,226.667 504.334,229.333 501,231.333 493.334,231.333
496,232.667 492.667,233.667 492.334,235.667 486.667,236.667 481,242.333 478,243.333 473,249.333 468,252.333 462,256.333
457.667,261 448.667,267.333 447.667,272.333 448,277.333 446,279.667 445,283.667 445,286.333 441.333,288.667 439.333,287
440.667,281 438.667,280.667 435,280.667 433,282.667 432.667,287 428.333,286.333 422.667,286.667 410.667,291 399.667,297
399.667,298.333 395.333,299.333 384.667,305.333 380.667,307 375.667,310.333 371,313 "/>
</svg></div>
3- Multiple SVG shapes On this 3rd snippet theres several SVG paths automatically generated by the Adobe Illustrator 'trace image' feature.
#container {
position: relative;
}
svg {
position: absolute;
top: 0;
left: 0;
}
path {
cursor: pointer;
opacity: 0.6;
fill: green;
}
path:hover {
opacity: 0.8;
fill: red;
}
<div id=container>
<img src="http://i67.tinypic.com/2h4b23k.jpg" alt=pic>
<svg x="0px" y="0px"
width="900px" height="589px" viewBox="0 0 900 589" >
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</div>

Can you try an imagemap? They are pretty lightweight and there are lots of easy to use generators out there now: https://www.image-maps.com/

SVG: CSS properties are not applied

I have a HTML 5 file containing a SVG element. Also there are some styles defined in a CSS file (imported in the html file correctly), e.g.:
rect.cell-border {
stroke: #000;
stroke-width:1.3px;
}
One element in the SVG looks like this:
<rect class="cell cell-border" width="256" height="256" style="fill-opacity: 0.5;"></rect>
Problem: Besides the inline CSS properties this rect element does not get the properties by cell-border. I have absolutely no idea why. In general the CSS file works, because other (non SVG but pure HTML) elements are styled correctly.
I generate the SVG elements with D3.

It works in this fiddle: http://jsfiddle.net/j0g8rnqu/1/
This means that your css and the svg are correct. There can only be something wrong with your binding of the css file. If you do it the standard way, it should work. Here is the most simple case:
file test.html
<!doctype html>
<html>
<head>
<link rel="stylesheet" href="svg-test.css">
</head>
<body>
<svg xmlns="http://www.w3.org/2000/svg" version="1.1" overflow="visible">
<rect class="cell cell-border" width="256" height="256" style="fill: #79a;"></rect>
</svg>
</body>
</html>
file svg-test.css
rect.cell-border {
stroke: #000;
stroke-width:1.3px;
}
Note that I added overflow="hidden"to the svg to ensure that the border does not get cropped.

Seems to work for me. The first rect has the class and therefore the stroke, the bottom does not.
rect.cell-border {
stroke: #000;
stroke-width:1.3px;
}
<svg height="258" width="258" viewBox="-1 -1 258 258">
<rect class="cell cell-border" width="256" height="256" style="fill-opacity: 0.5;"></rect>
</svg>
<svg height="258" width="258" viewBox="-1 -1 258 258">
<rect width="256" height="256" style="fill-opacity: 0.5;"></rect>
</svg>

Okay the solution that finally worked was to include the external css file in a different way:
<style>
#import url(css/MatrixVisualization.css)
</style>
Rather than the regular way. Another possibility would be to use embedded css declarations.

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