css responsive screen sizes code example
Example 1: css media query responsive sizes
320px
480px
600px
768px
900px
1024px
1200px
Example 2: media queries
@media all and (max-width: 699px) and (min-width: 520px) {
ul li a {
padding-left: 21px;
background: url(../images/email.png) left center no-repeat;
}
}