CSS

CSS

1. What is CSS?

   • CSS (Cascading Style Sheets)
   • A language that describes the style of an HTML document.
     • It describes how
     • CSS is designed to enable the separation of presentation and content.
       • Layout
       • Colours
       • Fonts

2. 'Think of HTML as the foundation (every house has one), and CSS as the aesthetic choices (there’s a big difference between a Victorian mansion and a mid-century modern home).'

3. Tags

   • background-color
     • The background-color property sets the background color of an element.
   • color
     • sets the colour of the text.
   • font-size
     • specifies the font-size of a piece of text.
   • font-style
     • specifies the font style for a piece of text.
   • margin
     • sets all the margin properties in one declaration
   • left
     • specifies the left position of a positioned element.
   • right
     • specifies the right position of a positioned element.
   • text-align
     • specifies the horizontal alignment of text.
   • vertical-align
     • sets the vertical alignment of an element.
   • visibility
     • specifies whether the element is visible or not.

4. who invented css?

   • Håkon Wium Lie
     • CSS was first proposed by Håkon Wium Lie on October 10, 1994. At the time, Lie was working with Tim Berners-Lee at CERN (European Organization for Nuclear Research).