Beispiel- CSS
@media only screen and ( max-width: 479px ) {
.bottom-nav li, #et-info a, #et-info-phone, #et-info-email {
display: block;
width: 250px !important;
margin: 0px auto;
line-height: 55px;
height: 50px;
margin-top: 5px;
color: #000 !important;
font-size: 16px !important;
cursor: pointer;
-webkit-border-radius: 5px;
-moz-border-radius: 5px;
border-radius: 5px;
background: #ffffff; /* Old browsers */
background: -moz-linear-gradient(top, #ffffff 0%, #f3f3f3 50%, #ededed 51%, #ffffff 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#ffffff), color-stop(50%,#f3f3f3), color-stop(51%,#ededed), color-stop(100%,#ffffff)); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top, #ffffff 0%,#f3f3f3 50%,#ededed 51%,#ffffff 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top, #ffffff 0%,#f3f3f3 50%,#ededed 51%,#ffffff 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(top, #ffffff 0%,#f3f3f3 50%,#ededed 51%,#ffffff 100%); /* IE10+ */
background: linear-gradient(to bottom, #ffffff 0%,#f3f3f3 50%,#ededed 51%,#ffffff 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#ffffff',GradientType=0 ); /* IE6-9 */
}