Changing opacity level using css property - css

<html>
<head>
<style>
#main{
opacity:1 !important;
position:absolute;
width:500px;
height:500px;
top:150px;
left:300px;
}
body{
opacity:0.3;
}
</style>
</head>
<body>
<div id="main"></div >
</html>
This is the code.I want to apply low opacity to body and a maximum opacity to id Main ,i have tried like this but i did not achieved the desired output.Is there any other way to achieve this.
Thanks in Advance.

The problem here is that the opacity is inherited from the body by the div. Also, it seems that the opacity doesn't work on the body itself at all (which surprises me).
If you just want a semi-transparent background color on body you should use background-color: rgba(x,x,x,x). If you want a transparent image in the body, look at this question:
CSS Opacity inheritance issue

What do you want exactly ? I've test your code, and for me it's good, i've a body without opacity, and a main with opacity.

the opacity in css is applied to all child elements of the element you applied the opacity to, you could place a div as an overlay or underlay with the opacity you want here is a fiddle
<body>
<div class="overlay"></div>
<div class="main"></div>
</body>
.overlay {
position:fixed;
width:100%;
height:100%;
opacity:0.3;
}

Related

How do I hide the underlying text of a div without background color?

I'm trying to overlay two div elements, the underlying has a background the overlaying can not have one, since later there will be a background image in the back.
I want the underlying text to be cut off at the place where it is behind the overlaying div.
The only way I found was to set background-color: white; to the overlaying div, as mentioned this is not possible.
Any tip/solution how do I accomplish this?
<div style="background-color:red;z-index:1;overflow:hidden;position:absolute;left:262px;top:222px;width:191px;height:48px;">
This is a TEST text.
</div>
<div style="border:1px solid black;z-index:2;overflow:hidden;position:absolute;left:152px;top:177px;width:199px;height:156px;">
Top Element
</div>
Would this work for you? Basically, I've added a third div with the background color white that you can set it's display to none when the image goes into the lower div. This is mainly just a thought, it can probably be applied to the lower div instead.
<html>
<head>
<style>
#botDiv{
background-color:red;
z-index:1;
overflow:hidden;
position:absolute;
left:262px;
top:222px;
width:191px;
height:48px;
}
#topDiv{
border:1px solid black;
z-index:2;
overflow:hidden;
position:absolute;
left:152px;
top:177px;
width:199px;
height:156px;
}
#interSectingDiv{
background-color:#fff;
position:relative;
top:26px;
left:109px;
overflow:hidden;
width:191px;
height:48px;
display:block;
}
</style>
</head>
<body>
<div id="botDiv">
This is a TEST text.
</div>
<div id="topDiv">
Top Element
<div id="interSectingDiv"></div>
</div>
</body>
</html>
[ updated ]
Another thought, is that you can probably shorten the width of the lower div by the amount of space it consumes from the higher div and position it at the right edge of the higher div until the image goes in (you'll most likely have to use animation in your css that's triggered by some form of javascript).

Background image isn't scrolling?

My background image isn't scrolling up and down, or else it is scrolling down too far. I want it to scroll down to the bottom of the background image and then stop.
<head>
<style type='text/css'>
.noWhiteSpace {
margin-left:0;
margin-right:0;
margin-top:0;
background-color:#F4F7E3;
background-image:url('/front_page.jpg');
background-repeat:no-repeat;
background-size:100%;
height:180%;
}
.words {
font-family:Madelinette;
text-align:center;
margin-left:25%;
margin-top:10%;
}
#lineOne {
color:#5f4e2b;
font-size:5em;
}
#lineTwo {
color:#629040;
font-size:4em;
padding-bottom:2%;
}
#otherLines {
color:#952221;
font-size:2em;
}
</style>
</head>
<body class='noWhiteSpace'>
<div class='words'>
<div id='lineOne'>Crafters Resale</div>
<div id='lineTwo'>blah</div>
<div id='otherLines'>blah<br>blah<br>blah<br>blah<br>blah</div>
</div>
</body>
background-attachment: scroll is by default you don't need to specify that. Your image is not scrolling because your body don't have enough height try giving height explicitly in css or just add some more content in your body.
Hope this will help you but if you were asking something different please elaborate it.
height of 100% means your whole content will be displayed but dude background-image don't get count in the content(if you add img tag then it will be counted). So you need to give the height same as that of your img in px. For eg.
.noWhiteSpace {
height: 2222px; /* I think that was your background-img height */
/* your other styling .... */
}

CSS wrapper div's background to cover content

I have 2 divs inside a wrapper div and I was wondering if it's possible to bring the #wrapper div on top of the content (#outer and #inner).
<div id="wrapper">
<div id="outer">
<div id="inner"></div>
</div>
</div>
I want the #wrapper to add a transparent background without making any changes to the HTML. I have tried doing so using z-index without success.
See this fiddle: http://jsfiddle.net/nPpDE/
Any help is much appreciated.
Managed it using :after- http://jsfiddle.net/t6mMR/ -No extra html!
Like this:
#wrapper:after {
position:relative;
top:-200px;
left:0px;
content:"";
width:400px;
height:200px;
display:block;
background:rgba(255, 0, 0,0.5)
}
The pseudo-element is placed above the others, and a semi transparent background applied to it.
__
EDIT: A slightly different way of doing it- (see comment below) (using position:absolute
http://jsfiddle.net/t6mMR/1/
__
Note- To be able to "click through" the pseudo-element, add pointer-events: none; to it.
http://jsfiddle.net/t6mMR/1/
To get this to work in IE, see css 'pointer-events' property alternative for IE, it may help.
You can give the children position: relative and z-index: -1 (or otherwise negative value), but I'm not sure how buggy that is or what the browser support is.
some more info available here: http://philipwalton.com/articles/what-no-one-told-you-about-z-index/
Here's a quick example: http://codepen.io/Rykus0/full/jhwev
Otherwise, as others have said, you need to include a new element and position using either absolute or fixed
What you are asking is not possible.
However, it is possible when you add another div inside the #wrapper and position it with
position:absolute;
and give it a transparent color
http://jsfiddle.net/nPpDE/1/
EDIT: Harley's solution is better since the OP doesn't want to change the HTML
?? and what about having opacity colors on inner containers and regular color on main container:
#wrapper{
position:relative;
background:black;
width:400px;
height:200px;
}
#outer{
position:relative;
width:400px;
height:200px;
background: rgba(50,0,0,0.75);
}
#inner{
position:relative;
width:350px;
height:200px;
background:rgba(0,50,0,0.75);
margin: 0 auto;
}
fiddle that goes with it :) http://jsfiddle.net/nPpDE/2/

css applying width on the body

I am completely new to html and css so my question could be very basic but hope you guys can help me udnerstnad,
I am using following css code
body
{
background-color:Olive;
width:550px;
font-family:Verdana;
}
I am setting width to 550px and as a result all my paragraphs contract to 550px but the background is applied to the whole page even beyond the 550px
I understand that because of inheritance the child elements would have inherited the width property from body, but I was thinking that if I set width property of body to 550px then background should be visible in 550px wide area and not the full page,
I don't get the logic here..
If you apply a color to the html, for example html { background-color: yellow; }, you'll see this is not the case at all. The <body> tag is special in that it is intended to encompass the entire contents of the HTML page. When you apply a background, then, the default is for it to paint the entire background page, unless htmls background has otherwise been set.
See this jsfiddle example. Like the other posters above, I highly recommend using a <div> element to wrap, size, and color your content.
This is described in the CSS2 specifications as so:
The background of the root element becomes the background of the canvas and covers the entire canvas, anchored (for 'background-position') at the same point as it would be if it was painted only for the root element itself. The root element does not paint this background again.
Why not wrap your content in a div, and set the properties to that?
<body>
<div class="content">
... content here
</div>
</body>
and apply the same classes to the div
.content
{
background-color:Olive;
width:550px;
font-family:Verdana;
}
You can use a container div that wraps your whole page and acts like a "fake" body. Then if you apply these style to this div your problem will be solved.
css
#wrapper {
width: 550px;
margin: 0 auto;
text-align: left;
}
HTML:
<body>
<div id="wrapper">
Piece of text inside a 550px width div centered on the page
</div>
</body>
You should try this http://jsfiddle.net/ajaypatel_aj/8tfKc/
HTML
<div id="wrapper">Test me!</div>​
CSS
*{
margin:0;
padding:0;
}
body{
text-align:center; /*For IE6 Shenanigans*/
font-family:Verdana;
}
#wrapper{
width:550px;
margin:0 auto;
text-align:left;
background-color:Olive;
}
​
Answer is simple applied body color will set to whole page you must have to use div .
This is what you are looking for.
<html>
<head>
<title>
Your title goes here.
</title>
</head>
<style type="text/css">
#test
{
background-color:Olive;
width:550px;
font-family:Verdana;
}
</style>
<body>
<div id='test'>
Hello
</div>
</body>
Another answer is:
<html>
<head>
<title>
Your title goes here.
</title>
</head>
<style type="text/css">
html
{
background-color:white;
}
body
{
background-color:Olive;
width:550px;
font-family:Verdana;
}
</style>
<body>
Hello
</body>
</html>

I want to apply a overlay image on hover

But I am struggling.
Code I have for css is:
#gallery img {
width:700px;
height:213px;
margin:0;
padding:0;
}
So I thought ...
#gallery img:hover {
width:700px;
height:213px;
position: relative;
z-index:10000;
background: transparent url(../images/imgOverlay-Zoom.png) no-repeat center center;
}
Would work, but it doesnt.
The image I am transparently overlaying on hover is:
What am I doing wrong.
I think I may have a corrupt css tag somewhere.
Any help appreciated.
Make the #gallery have a background image rather than having an image tag inside it... otherwise it'll be on top of the background. Then have another div inside it which has the :hover pseudo-class. If it still doesn't work, take out the word transparent.
Or you could not overlay the image and just swap the original image for the combined image?
Hello there
I think you misunderstood the mechanics of CSS:
The image itself is an object and the background specified goes behind it.
So you have to make the non transparent image the background and specify the transparent one in the src. However this won't suit your needs.
A workaround would with CSS would be troublesome, so i would suggest to swap the whole image with a css hover or javascript onMouseover or jQuery - get familliar with those since it's the proper way.
Fixed.
css:
#container { position:relative; width:700px; height:213px;}
.image { position:absolute; width:700px; height:213px; z-index:0;}
.overlay { background-image:none); position:absolute; width:700px; height:213px; z-index:1;}
.overlay:hover { background: transparent url(images/imgOverlay-Zoom.png)no-repeat center center;}
html:
<div class="overlay" ></div>
<div class="image" ><img src="images/listing-page-with-gradient.png" /></div>

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