1. CSS Tutorial
  2. Position

Position

Submitted by Yorkiebar on Thursday, January 23, 2014 - 10:40.
Introduction: This is the seventh part in my CSS Styling tutorials, in which I will be covering position. What is Position? Position is used to set the behaviour of how the elements display on-screen within the web browser. Structure: position: {type}; Example:
  1. position: fixed;
Values: relative - Takes in to account the elements around it. absolute - Does not take in to account the elements around it, margin and padding go from the edge of the containers or documents. fixed - Only takes in to account the width and height of the browser window. inherit - The value of the display property will be inherited from the parent element. Linking CSS To a HTML Element: To link your CSS to an HTML element (text, div, etc.) you will need to decide whether you want to use a class or id, you will also need a unique name. Once you have those, go to your element in HTML and add...
  1. class='myClass'
... to the attributes of that element if you chose a class, or...
  1. id='myID'
if you chose an id. Make sure you replace 'myClass' and/or 'myID' with your unique name. Then, in the CSS you will want to encase your properties with...
  1. .myClass {
  2.         //Properties go here
  3. }
if you chose a class, or...
  1. #myID {
  2.         //Properties go here
  3. }
(You can remove the line beginning with // if you wish). Here's an example:
  1. <html>
  2. <head>
  3. <style>
  4. .fixed {
  5.         background-color: #000;
  6.         color: #fff;
  7.         width: 300px;
  8.         height: 100px;
  9.         position: fixed;
  10.         bottom: 0px;
  11.         //Fixed to the bottom of the document (footer)
  12. }
  13.  
  14. .relative {
  15.         background-color: #000;
  16.         color: #fff;
  17.         width: 300px;
  18.         height: 100px;
  19.         position: relative;
  20.         left: 100px;
  21.         //Takes in to account other elements
  22. }
  23.  
  24. .absolute {
  25.         background-color: #000;
  26.         color: #fff;
  27.         width: 300px;
  28.         height: 100px;
  29.         position: absolute;
  30.         left: 100px;
  31.         //Doesn't take in to account other elements.
  32. }
  33. </style>
  34. </head>
  35. <body>
  36.         <div class='fixed'>Fixed</div>
  37.         <div class='relative'>Relative</div>
  38.         <div class='absolute'>Absolute</div>
  39. </body>
  40. </html>

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