I am new to CSS and was wondering how to scale a background image for the header of an iPhone WebApp.
div#header {
background: rgb(2,100,161) url(../images/header-logo.jpg) repeat-x top;
border-top: 1px solid rgb(205,213,223);
border-bottom: 1px solid rgb(46,55,68);
padding: 10px;
margin: 0 0 0 -10px;
min-height: 85px;
-webkit-box-sizing: border-box;
}
Here's a good resource for you:
http://www.w3schools.com/cssref/css3_pr_background-size.asp
CSS3 has the background-size property.
You can use that to scale your image to the size you desire. :-)
Related
I need to create a solid color inset border. This is the bit of CSS I'm using:
border: 10px inset rgba(51,153,0,0.65);
Unfortunately that creates a 3D ridged border (ignore the squares and dark description box)
You could use box-shadow, possibly:
#something {
background: transparent url(https://i.stack.imgur.com/RL5UH.png) 50% 50% no-repeat;
min-width: 300px;
min-height: 300px;
box-shadow: inset 0 0 10px #0f0;
}
#something {
background: transparent url(https://i.stack.imgur.com/RL5UH.png) 50% 50% no-repeat;
min-width: 300px;
min-height: 300px;
box-shadow: inset 0 0 10px #0f0;
}
<div id="something"></div>
This has the advantage that it will overlay the background-image of the div, but it is, of course, blurred (as you'd expect from the box-shadow property). To build up the density of the shadow you can add additional shadows of course:
#something {
background: transparent url(https://i.stack.imgur.com/RL5UH.png) 50% 50% no-repeat;
min-width: 300px;
min-height: 300px;
box-shadow: inset 0 0 20px #0f0, inset 0 0 20px #0f0, inset 0 0 20px #0f0;
}
#something {
background: transparent url(https://i.stack.imgur.com/RL5UH.png) 50% 50% no-repeat;
min-width: 300px;
min-height: 300px;
box-shadow: inset 0 0 20px #0f0, inset 0 0 20px #0f0, inset 0 0 20px #0f0;
}
<div id="something"></div>
Edited because I realised that I'm an idiot, and forgot to offer the simplest solution first, which is using an otherwise-empty child element to apply the borders over the background:
#something {
background: transparent url(https://i.stack.imgur.com/RL5UH.png) 50% 50% no-repeat;
min-width: 300px;
min-height: 300px;
padding: 0;
position: relative;
}
#something div {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
border: 10px solid rgba(0, 255, 0, 0.6);
}
<div id="something">
<div></div>
</div>
Edited after #CoryDanielson's comment, below:
jsfiddle.net/dPcDu/2 you can add a 4th px parameter for the box-shadow that does the spread and will more easily reflect his images.
#something {
background: transparent url(https://i.stack.imgur.com/RL5UH.png) 50% 50% no-repeat;
min-width: 300px;
min-height: 300px;
box-shadow: inset 0 0 0 10px rgba(0, 255, 0, 0.5);
}
<div id="something"></div>
I would recomnend using box-sizing.
*{
-webkit-box-sizing:border-box;
-moz-box-sizing:border-box;
-ms-box-sizing:border-box;
box-sizing:border-box;
}
#bar{
border: 10px solid green;
}
To produce a border inset within an element the only solution I've found (and I've tried all the suggestions in this thread to no avail) is to use a pseudo-element such as :before
E.g.
.has-inset-border:before {
content: " "; /* to ensure it displays */
position: absolute;
left: 10px;
right: 10px;
top: 10px;
bottom: 10px;
border: 4px dashed red;
pointer-events: none; /* user can't click on it */
}
The box-sizing property won't work, as the border always ends up outside everything.
The box-shadow options has the dual disadvantages of not really working and not being supported as widely (and costing more CPU cycles to render, if you care).
It's an old trick, but I still find the easiest way to do this is to use outline-offset with a negative value (example below uses -6px). Here's a fiddle of it—I've made the outer border red and the outline white to differentiate the two:
.outline-offset {
width:300px;
height:200px;
background:#333c4b;
border:2px solid red;
outline:2px #fff solid;
outline-offset:-6px;
}
<div class="outline-offset"></div>
If you want to make sure the border is on the inside of your element, you can use
box-sizing:border-box;
this will place the following border on the inside of the element:
border: 10px solid black;
(similar result you'd get using the additonal parameter inset on box-shadow, but instead this one is for the real border and you can still use your shadow for something else.)
Note to another answer above: as soon as you use any inset on box-shadow of a certain element, you are limited to a maximum of 2 box-shadows on that element and would require a wrapper div for further shadowing.
Both solutions should as well get you rid of the undesired 3D effects.
Also note both solutions are stackable (see the example I've added in 2018)
.example-border {
width:100px;
height:100px;
border:40px solid blue;
box-sizing:border-box;
float:left;
}
.example-shadow {
width:100px;
height:100px;
float:left;
margin-left:20px;
box-shadow:0 0 0 40px green inset;
}
.example-combined {
width:100px;
height:100px;
float:left;
margin-left:20px;
border:20px solid orange;
box-sizing:border-box;
box-shadow:0 0 0 20px red inset;
}
<div class="example-border"></div>
<div class="example-shadow"></div>
<div class="example-combined"></div>
I don't know what you are comparing to.
But a super simple way to have a border look inset when compared to other non-bordered items is to add a border: ?px solid transparent; to whatever items do not have a border.
It will make the bordered item look inset.
http://jsfiddle.net/cmunns/cgrtd/
Simple SCSS solution with pseudo-elements
Live demo: https://codepen.io/vlasterx/pen/xaMgag
// Change border size here
$border-width: 5px;
.element-with-border {
display: flex;
height: 100px;
width: 100%;
position: relative;
background-color: #f2f2f2;
box-sizing: border-box;
// Use pseudo-element to create inset border
&:before {
position: absolute;
content: ' ';
display: flex;
border: $border-width solid black;
left: 0;
right: 0;
top: 0;
bottom: 0;
border: $border-width solid black;
// Important: We must deduct border size from width and height
width: calc(100% - $border-width);
height: calc(100% - $border-width);
}
}
<div class="element-with-border">
Lorem ipsum dolor sit amet
</div>
You can do this:
.thing {
border: 2px solid transparent;
}
.thing:hover {
border: 2px solid green;
}
If box-sizing is not an option, another way to do this is just to make it a child of the sized element.
Demo
CSS
.box {
width: 100px;
height: 100px;
display: inline-block;
margin-right: 5px;
}
.border {
border: 1px solid;
display: block;
}
.medium { border-width: 10px; }
.large { border-width: 25px; }
HTML
<div class="box">
<div class="border small">A</div>
</div>
<div class="box">
<div class="border medium">B</div>
</div>
<div class="box">
<div class="border large">C</div>
</div>
I know this is three years old, but thought it might be helpful to someone.
The concept is to use the :after (or :before) selector to position a border within the parent element.
.container{
position:relative; /*Position must be set to something*/
}
.container:after{
position:relative;
top: 0;
content:"";
left:0;
height: 100%; /*Set pixel height and width if not defined in parent element*/
width: 100%;
-webkit-box-sizing:border-box;
-moz-box-sizing:border-box;
-ms-box-sizing:border-box;
box-sizing:border-box;
border:1px solid #000; /*set your border style*/
}
You may use background-clip: border-box;
Example:
.example {
padding: 2em;
border: 10px solid rgba(51,153,0,0.65);
background-clip: border-box;
background-color: yellow;
}
<div class="example">Example with background-clip: border-box;</div>
So I was trying to have a border appear on hover but it moved the entire bottom bar of the main menu which didn't look all that good I fixed it with the following:
#top-menu .menu-item a:hover {
border-bottom:4px solid #ec1c24;
padding-bottom:14px !important;
}
#top-menu .menu-item a {
padding-bottom:18px !important;
}
I hope this will help someone out there.
Simpler + better | img tag | z-index | link image | "alt" attribute
I figured out a method where you do not need to use the image as a background image but use the img HTML tag inside the div, and using z-index of the div as a negative value.
Advantages:
The image can now become a link to a lightbox or to another page
The img:hover style can now change image itself, for example:
black/white to color, low to high opacity, and much more.
Animations of image are possible The image is more accessible because
of the alt tag you can use.
For SEO the alt tag is important for keywords
#borders {
margin: 10px auto;
width: 300px;
height: 300px;
position:relative;
box-shadow: inset 0 0 0 10px rgba(0, 255, 0, 0.5);
}
img {
position:absolute;
top:0;
bottom:0;
left:0;
right: 0;
z-index: -1;
}
<div id="borders">
<img src="https://i.stack.imgur.com/RL5UH.png">
</div>
I'm using bootstrap 3 - for this topic especiall the sticky-footer makes problems on mobile phones and devices (e.g. Chrome # Samsung Galaxy 4, IPad).
I'm using a div container (wrap_con) to push the footer down to the end of the page. So my html code looks like this:
<body>
<div id="wrap_con">
page content
</div>
<div id="my_footer">
two container (<div class="container">) are implementing the footer here
</div>
I'm using bootstrap 3 with following own extensions:
#wrap_con {
background-color:white;
font-color:black;
color: #000000;
font-family: 'Droid Sans',sans-serif;
font-size: 14px;
border: 0px solid white;
height: auto;
margin: 0 auto -150px;
/* margin: 0 auto 0px; */
min-height: 100%;
padding: 0 0 150px;
/* padding: 0 0 0px; */
}
#my_footer {
height: 150px;
color: #ffffff;
font-size: 10px;
border: 0px solid white;
border-style: none;
}
#my_footer .container:first-of-type {
background: transparent url(footer_bg_white.gif) repeat;
width: 100%;
border: 0px solid white;
height: 80px;
padding-top: -30px;
}
#my_footer .container:last-of-type {
background: transparent url(footer_bg.gif) repeat;
width: 100%;
height: 80px;
border: 0px solid white;
}
So in praxis two container should always stick on bottom of the page and implement the footer. This works great in all desktop browsers but if it comes to view the site on a mobile browser the footer is not on the bottom of the page. There is a distance of about 75px between the footer and the bottom of the page.
add this to your footer, on a media-query for mobile.
position:fixed;
bottom:0;
left:0;
Did you try it? #joe
I have a sidebar block using bootstrap with two image blocks, one on top of the other, and my client wants a glowing red border around the blocks. I have a black background and the border for the glow. Here is the problem, when I resize the browser to a tablet size, the black background and border are wider than the image and the image is not centered. I want the border and glow to be 10px around the image and centered in the screen, not to the left. If I use a transparent background the image is to the left and the red border spans the whole screen and once again looks bad. Here are two screenshots:
I want the images to resize and be next to each other like other responsive templates with the glow and nothing I try is working. This is all probably pretty simple but I am lost. I am learning but this is driving me crazy. I have applied some additional css through c5 to give a glow to the images in the block. This is the code that comes up when I use Chrome dev tools:
element.style { }
#blockStyle167Sidebar40 {
background-repeat: no-repeat;
background-color: #000000;
-webkit-box-shadow: 0 0 6px 4px rgba(255,0,0,.7);
box-shadow: 0 0 6px 4px rgba(255,0,0,.7);
padding: 10px;
}
.pic {
border: 1px solid #000000;
height: 245px;
width: 370px;
overflow: hidden;
margin-top: 0px;
margin-right: 0px;
margin-bottom: 10px;
margin-left: 0px;
}
* {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
-ms-box-sizing: border-box;
box-sizing: border-box;
}
* {
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
-ms-box-sizing: border-box;
box-sizing: border-box;
}
user agent stylesheetdiv {
display: block;
}
Inherited from div#sidebar-wrap.span4.sidebar-wrap.sidebar.color-content.pad
#main-content .color-content {
color: #FFFFFF;
}
Inherited from div.row-fluid.has-sidebar
#page .row-fluid {
color: #ffffff;
I am sorry this is so long but my site is in maintenance mode and I don't know how to link the page. I could give someone acces so the can look at it.
Thanks for any help.
Essentially what you need to do is create a transparent border of 10px with a red box shadow.
img {
border: 10px solid transparent;
box-shadow: 0px 0px 15px 0px rgba(255,0,0,1);
}
Then set each of the images to the width % you want.
See this jsfiddle http://jsfiddle.net/TZh2Y/
I have the following div stricture.
<div class="profile_outer>
<div class="profile"></div>
</div>
And the following CSS
.profile_outer {
border: 2px solid #660000;
-moz-border-radius: 5px;
border-radius: 5px;
-webkit-border-radius: 5px;
}
.profile {
width: 198px;
height: 225px;
border: 1px solid #660000;
-moz-border-radius: 5px;
border-radius: 5px;
-webkit-border-radius: 5px;
z-index: 100;
}
.profile_outer:hover {
background-color: blue;
}
you can find the fiddle here
Both divs do not have a background, the background is determined by an image on some parent div. So they are transparent.
So, on a hover I just want to change the background of the outer profile. It only works if I also change the background color of the inner div using
.profile_outer:hover .profile {
display: block;
background : #fff; // but I do NOT want to change the background
}
I tried the following combinations of these:
.profile_outer:hover .profile {
display: block;
background : none !important;
background-color:transparent;
}
Thanks for your help.
Well, I guess that the effect that you want is this
.profile_outer {
border: 2px solid #660000;
border-radius: 5px;
overflow: hidden;
}
.profile {
width: 198px;
height: 225px;
border: 1px solid #660000;
border-radius: 5px;
z-index: 100;
}
.profile:hover {
box-shadow: 0px 0px 0px 1000px blue;
}
fiddle
... but you should review your ideas about transparency ...
After re-reading the question, I think that Moob's sugestion is right, the answer to the question is
.profile_outer:hover .profile {box-shadow: 0px 0px 0px 1000px blue;}
Set the child's background to #fff and it'll work.
Your problem happens because the default background color for all elements is transparent
There is one other way to get this effect but it could be really annoying to implement. I'm only offering it up as a solution for completeness. Effectively you have the SAME background image on the bit that is supposed to appear masked:
body {
margin:0px;
background:#fff url('http://lorempixel.com/output/cats-q-c-640-480-5.jpg') 0 0 repeat;
}
.profile_outer {
margin:20px; /* added this just to show that you'd need to offset the image placement in .profile depending on its position */
}
.profile {
background:#fff url('http://lorempixel.com/output/cats-q-c-640-480-5.jpg') -20px -20px repeat;
}
http://jsfiddle.net/PdQFJ/1/
I'm trying to replicate the CSS 'Vignette' effect, detailed on Trent Walton's site.
.vignette1 {
box-shadow:inset 0px 0px 85px rgba(0,0,0,.5);
-webkit-box-shadow:inset 0px 0px 85px rgba(0,0,0,.5);
-moz-box-shadow:inset 0px 0px 85px rgba(0,0,0,.5);
float: left;
}
.vignette1 img {
margin: 0;
position: relative;
z-index: -1;
width: 320px;
height: 247px;
}
It works well in isolation, but has problems on my production site, where the background settings for a parent div override the z-index on the image - live jsFiddle demo here.
The second approach - mentioned in the original article's comments and included in the demo - works well, but my image has to be wrapped in the tag - it can't be below it.
page has a solid white background, you're giving the image a z-index of -1, so it's going underneath that div. There are several workarounds, depending on how your final design is going to look, but if you just make #page transparent it works:
http://jsfiddle.net/tA8EA/
Or you can also set page to position realtive and give it a lower z-index than the image:
http://jsfiddle.net/PEgBv/
In the end I found the' Overlay & Inset Method', the second of Jordon Dobsons's techniques to be the most effective and least reliant on negative z-indexes:
/* Border & Vignette Setup */
figure{
position: relative;
display: block;
line-height: 0;
width: 500px;
height: 333px;
margin-bottom: 2em;
border: 1em solid #fff;
-webkit-box-shadow: 0 .1em .3em rgba(0,0,0,.25);
-moz-box-shadow: 0 .1em .3em rgba(0,0,0,.25);
}
figure::before{
content: "";
position: absolute;
top: -1em;
bottom: -1em;
left: -1em;
right: -1em;
}
figure::before,
figure img{
outline: 1px solid #ccc;
}
figure.vignette img{
z-index: 1;
position: relative;
display: block;
width: 100%;
height: 100%;
}
/* Overlay & Inset Method */
figure.overlay.inset::after{
/* Mozilla Settings */
-moz-box-shadow: inset 0 0 150px rgba(0,0,0,.75);
/* Webkit Setting */
-webkit-box-shadow: inset 0 0 150px rgba(0,0,0,.75);
}
(jsFiddle demo using original layout)
I've post an answer with dynamic image list loading here. Instead of under-z-indexed image there's just DIVs with background-image and image dimensions set.