Responsive Web Design: CSS Media Query
Media queries can be used to include style sheets (media attribute) or in CSS rules (@media rule) or @import statement
Three ways:
CSS rule
@media screen and (max-width: 480px) { /* rules for small screens */ .column { float: none; } }Link to stylesheet
<link rel="stylesheet" type="text/css" media="screen and (max-width: 480px)" href="smallscreen.css" />@import statement
@import url('smallscreen.css') screen and (max-width: 480px);