CSS footer positioning question - css

Is it good practise to set absolute positioning of a footer, if we know its height?
For example, if its height is 100px:
footer {
position:absolute;
bottom: 100px;
background: red;
}
And if its not, could you please help me to position a footer without divs, only with HTML5 tags, because i found some solutions, but they are with extra divs.

footer {
position: absolute;
bottom: 0;
height: 100px;
background: red;
}
When you specify the bottom position property you're positioning the bottom edge, so you don't need to account for the height like that. You'd only set it to 100px if you want the bottom edge to be 100px from the bottom of the page.
Usually the only time I find myself positioning the footer manually is if it's position: fixed though. Assuming your page flow isn't wacked it's usually easy enough to have it be the bottom element on the page naturally, which is what you're trying to achieve with position: absolute;.

Related

Move main content over header photo

Design question here. How can I make the #main-wrapper slide over the #single-carousel on the following page: http://duijnisveld.wpengine.com/
Right now it moves up when scrolling, I need the carousel to stay put and make the main wrapper slide over it when scrolling down.
giving .header-foto-wrapper position: fixed and #main-wrapper position: relative gives unexpected behaviour for me, I'm clearly missing something important.
*note, in the url, the .header-foto-wrapper does not have the position fixed as it breaks the layout and it's a live site for the client to see.
Thanks!
You'll need to apply width. Things go a little wonky when a container calculates width once you pull it out of the content flow. A width:100% will fill the page width. You'll also want to move the content area down and apply a background color.
.header-foto-wrapper {
position: fixed;
width: 100%;
}
#main-wrapper {
position: relative;
top: 100%;
background: #fff;
}
By setting the position as absolute.
.wrapper {
position: absolute;
left: 100px;
top: 150px;
}
http://www.w3schools.com/cssref/pr_class_position.asp

How to show an image below a div both horizontally centered on the page?

I have this layout:
Code here: http://m6000225.ferozo.com/test/
I need the blue and brown image to lay below the main content div, and both be aligned regardless of the window width, both centered horizontally.
I implemented a css tip I read on this site, which is having a div with absolute position and left: 50% and an img inside with relative position and left: -50%.
It works fine, except for the fact that it pushes the page width to the right, as you can see in the screenshot, the scrollbar can be seen.
3rd party lib solutions like jQuery are welcome, but I'd prefer plain CSS.
PS: I also need something similar below the footer, but I guess using the same solution with a negative bottom value should work, right?
PS2: Extending the blue-brown strip to both borders of the window is no problem as I already used another div with absolute position and background-repeat: repeat-x.
The scroll bar is appearing because of the left: 50%; on the class .header-image. You should drop that altogether. Since that tag has a width set, when you push it over 50% it falls outside the window forcing the scroll bar to appear.
After you drop the left call, you should then set the width of that div to the width of the window, not a specific value in pixels. Use Width: 100%. So, that tag should look like:
.header-image {
height: 245px;
position: absolute;
top: 40px;
width: 100%;
z-index: -1;
}
After that, you'll need to re-center the image contained within the div. To do that, instead of using positions (which rely on set boundaries), give the element auto margins. Use :
.header-image img {
display: block;
margin-left: auto;
margin-right: auto;
}
That will recenter the image. Please let me know if this is what you were looking for!
Per Paulie_D's suggestion:
.header-image {
position:absolute;
z-index: -1;
top: 40px;
width: 100%;
height: 245px;
background-image: url('header.png');
background-position: center;
background-repeat: no-repeat;
}
That did it.

Absolute positioned DIV element spreads over and blocks buttons, how to hide the invisible block?

I have an absolute positioned logo on the bottom left of my website... BUT the problem is that ive positioned it to stick to the right of the page but it leaves a invisible barrier to the left of it that spreads across the page. So lets say a link is placed in alignment with that footer element, I won't be able to click it, the absolute positioned layer is spreading over it (even though nothings in it)
Heres my CSS for the logos position:
#basemenu {
margin-right: auto;
position: fixed;
bottom:0px;
width: 100%;
height: 40px;
text-align:right;
right:1%;
}
It sounds like you have an img inside of a <div id='basemenu'></div>. Is that right?
We could really use a block of HTML if you wouldn't mind posting it.
What I don't understand is why you can't target the logo itself with a bit of CSS like this:
#basemenu img {
height: 40px;
position: fixed;
bottom: 0px;
left: 0px;
}
Use the following block property display : none; to hide the block

Absolute positioned child div expands to fit the parent?

Is there anyway for an absolute positioned child to expand to fill its relative positioned parent? (The height of parent is not fixed)
Here is what i did and it is working fine with Firefox and IE7 but not IE6. :(
<div id="parent">
<div id="child1"></div>
</div>
#parent { position: relative; width: 200px; height:100%; background:red }
#child1 { position: absolute; top: 0; left: 200px; height: 100%; background:blue }
That's easy. The trick is setting top: 0px and bottom: 0px at the same time
Here's the working code
html, body {
width: 100%;
height: 100%;
overflow: hidden;
}
#parent {
display: block;
background-color: #ff0;
border: 1px solid #f00;
position: relative;
width: 200px;
height: 100%;
}
#child1 {
background-color: #f00;
display: block;
border: 1px solid #ff0;
position: absolute;
left: 200px;
top: 0px;
bottom: 0px;
}
Check out a working example here http://jsfiddle.net/Qexhh/
If I remember correctly there is a bug with how IE6 handles div height. It will only create the div to the height needed to contain the content within it when height is set to 100%. I would recommend two approaches:
Don't worry about supporting IE6 as it is a dead browser anyway
If that doesn't work, use something like jQuery to get the height of the parent div and then set the child div to that height.
fake it by setting the backgrounds to be the same colour so no-one notices the difference
You can achieve this with setting both the top and bottom attributes of the child.
See how this is done
At the bottom of that article, there is a link to Dean Edwards' IE7 (and IE8) js library that you should include for IE6 visitors. It is a JS library that actually MAKES IE6 behave like IE7 (or 8) when you include it. Sweet!
Dean Edwars' IE7 and 8 JS libraries
As far as I know, there is no way of expanding a parent element around an absolutely positioned child element. By making the child element absolutely positioned your are removing it from the regular flow of page items.
I recently built a 2-column website where the right column was absolutely positioned but the left column was not. If the left column had less content and a smaller height than the right column, the page would cut off the right column since it was absolutely positioned.
In order to resolve this, I had to determine if the height of the right column was greater than the height of the left column and if so set the height of the parent div height to the greater of the two.
Here is my jQuery solution. I'm not much of a coder so feel free to tweak this:
jQuery(function(){
var rightColHeight = jQuery('div.right_column').height();
var leftColHeight = jQuery('div.left_column').height();
if (rightColHeight > leftColHeight){
jQuery('.content_wrap').height(rightColHeight+'px');
}
});

Hiding overflow not working

Heyo, I'm using a 2000px width image as a background for a 960px width webpage. I am trying to make it so it doesn't show a horizontal scrollbar when a part of the image is to the right of what's visible, but what I'm trying to do is not working for me.
Two IDs are involved. One is 'bg' which has the background image as its background and is positioned where I want it, while the other is 'bg_holder' which contains only 'bg' and which I tried to use to neatly cover the visible web page area and hide its overflow so the part of the background image that is jutting out wouldn't cause a scrollbar. But this does not appear work, as a scrollbar is created when there is a part of the image to the right of the visible web page (but not when it's to the left).
Is there anything wrong with this CSS snippet? Could something outside of this snippet be the source of the problem? Is there another approach I can take?
#bg_holder {
position: absolute;
overflow: hidden;
min-width: 960px;
top: 0px;
left: 0px;
right: 0px;
height: 100%;
}
#bg {
background: url(../img/bg.jpg);
position: absolute;
height: 1050px;
width: 2000px;
margin-left: -1366px;
left: 50%;
z-index: -1;
}
To answer your question, by positioning #bg absolutely, you take it out of the document flow / out of it's parent element, so the overflow:hidden has no effect.
As an additional comment, you can position the background image exactly where you want (x, y) when you put it directly in #bg_holder, there doesn't seem to be any need to put the background in a separate div. As far as I can tell at least, but I haven't seen the rest of your code and don't know what you want to achieve exactly.

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