How to keep footer at bottom of screen [duplicate]
What you’re looking for is the CSS Sticky Footer.
HTML
How to display and hide a div with CSS?
You need Updated demo at http://jsfiddle.net/gaby/n5fzB/2/ The problem in your original CSS was that the , in css selectors starts a completely new selector. it is not combined.. so #f:hover ~ .abc,.a means #f:hover ~ .abc and .a. You set that to display:none so it was always set to be hidden for all .a elements.
Change background image opacity
There is nothing called background opacity. Opacity is applied to the element, its contents and all its child elements. And this behavior cannot be changed just by overriding the opacity in child elements. Child vs parent opacity has been a long standing issue and the most common fix for it is using rgba(r,g,b,alpha) background colors. But in … Read more
How to apply CSS to iframe?
I have a simple page that has some iframe sections (to display RSS links). How can I apply the same CSS format from the main page to the page displayed in the iframe?
Hiding a button in Javascript
You can set its visibility property to hidden. Here is a little demonstration, where one button is used to toggle the other one:
Why is there an unexplainable gap between these inline-block div elements?
In this instance, your div elements have been changed from block level elements to inline elements. A typical characteristic of inline elements is that they respect the whitespace in the markup. This explains why a gap of space is generated between the elements. (example) There are a few solutions that can be used to solve this. Method 1 – Remove the whitespace from the markup Example … Read more
How to save user input into a variable in HTML and JavaScript
It doesn’t work because name is a reserved word in JavaScript. Change the function name to something else. See http://www.quackit.com/javascript/javascript_reserved_words.cfm
Placing border inside of div and not on its edge
Set box-sizing property to border-box:
How to solve PHP error ‘Notice: Array to string conversion in…’
When you have many HTML inputs named C[] what you get in the POST array on the other end is an array of these values in $_POST[‘C’]. So when you echo that, you are trying to print an array, so all it does is print Array and a notice. To print properly an array, you either loop through it and echo each element, or … Read more
What formats can be displayed with type=”application/x-shockwave-flash”
No, there’s not any alternative to using <object> 2) It’s Adobe Flash (read about it in Wiki) 3) It’s being deprecated. Various browsers stopped or will stop support of Adobe Flash in a year or two. 4) That’s why you should prepare to switch your client ads/convert them to HTML5 (it’s a next rich media format, … Read more