HTML :
 <nav> 
    <a href="http://github.com">GitHub</a> 
    <a href="http://facebook.com">Facebook</a> 
    <a href="http://youtube.com">Youtube</a> 
    <a href="http://twitter.com">Twitter</a> 
    <a href="http://megawrz.com">megawrz</a> 
</nav> 



CSS:
body {background-image: ; 
    background-color: #999; 
    background-image: -webkit-linear-gradient(0, rgba(255,255,255,.07) 50%, transparent 50%),  -webkit-linear-gradient(0, rgba(255,255,255,.13) 50%, transparent 50%),  -webkit-linear-gradient(0, transparent 50%, rgba(255,255,255,.17) 50%),  -webkit-linear-gradient(0, transparent 50%, rgba(255,255,255,.19) 50%); 
    background-image: -o-linear-gradient(0, rgba(255,255,255,.07) 50%, transparent 50%),  -o-linear-gradient(0, rgba(255,255,255,.13) 50%, transparent 50%),  -o-linear-gradient(0, transparent 50%, rgba(255,255,255,.17) 50%),  -o-linear-gradient(0, transparent 50%, rgba(255,255,255,.19) 50%); 
    background-image: -moz-linear-gradient(0, rgba(255,255,255,.07) 50%, transparent 50%),  -moz-linear-gradient(0, rgba(255,255,255,.13) 50%, transparent 50%),  -moz-linear-gradient(0, transparent 50%, rgba(255,255,255,.17) 50%),  -moz-linear-gradient(0, transparent 50%, rgba(255,255,255,.19) 50%); 
    background-image: -ms-linear-gradient(0, rgba(255,255,255,.07) 50%, transparent 50%),  -ms-linear-gradient(0, rgba(255,255,255,.13) 50%, transparent 50%),  -ms-linear-gradient(0, transparent 50%, rgba(255,255,255,.17) 50%),  -ms-linear-gradient(0, transparent 50%, rgba(255,255,255,.19) 50%); 
    /*background-size*/ 
    -webkit-background-size: 13px, 29px, 37px, 53px; 
    -moz-background-size: 13px, 29px, 37px, 53px; 
    -o-background-size: 13px, 29px, 37px, 53px; 
    background-size: 13px, 29px, 37px, 53px; 
    padding-top: 50px; 
    text-align: center; 
} 
nav { 
    height: 30px; 
    margin: 30px auto; 
    padding: 10px 5px; 
    /*border-radius*/ 
    -webkit-border-radius: 5px; 
    -moz-border-radius: 5px; 
    border-radius: 5px; 
    width: 560px; 
    bottom: 26px; 
    padding: 12px 12px 12px 12px; 
    background: #fff; 
    background: -webkit-gradient( linear,0 0,0 100%,from(#fff),to(#e5eaee) ); 
    /*linear-gradient*/ 
    background: -webkit-gradient(linear,,from(#fff),to(#e5eaee)); 
    background: -webkit-linear-gradient( top center,#fff,#e5eaee ); 
    background: -moz-linear-gradient( top center,#fff,#e5eaee ); 
    background: -o-linear-gradient( top center,#fff,#e5eaee ); 
    background: linear-gradient( top center,#fff,#e5eaee ); 
    /*box-shadow*/ 
    -webkit-box-shadow: 0 1px 2px #000; 
    -moz-box-shadow: 0 1px 2px #bdc9d5; 
    box-shadow: 0px 1px 5px #666; 
    font: 13px "helvetica",sans-serif; 
    font-weight: 300; 
    text-align: center; 
    text-shadow: 0 1px 0 #fff; 
    -webkit-tansition: all 10s linear infinite; 
} 
a[href*="github.com"] { 
    padding-left: 18px; 
    background: url(http://www.google.com/s2/u/0/favicons?domain=gist.github.com) left center no-repeat; 
} 
a[href*="facebook.com"] { 
    padding-left: 18px; 
    background: url(http://www.google.com/s2/u/0/favicons?domain=facebook.com) left center no-repeat; 
} 
a[href*="youtube.com"] { 
    padding-left: 18px; 
    background: url(http://www.google.com/s2/u/0/favicons?domain=youtube.com) left center no-repeat; 
} 
a[href*="twitter.com"] { 
    padding-left: 18px; 
    background: url(http://www.google.com/s2/u/0/favicons?domain=twitter.com) left center no-repeat; 
} 
a[href*="megawrz.com"] { 
    padding-left: 18px; 
    background: url(http://www.google.com/s2/u/0/favicons?domain=megawrz.com) left center no-repeat; 
} 
a { 
    /*transition*/ 
    -webkit-transition: all 0.2s ease; 
    -moz-transition: all 0.2s ease; 
    -o-transition: all 0.2s ease; 
    transition: all 0.2s ease; 
    color: #999; 
    font-size: 12px; 
    text-decoration: none; 
    margin: 20px 20px; 
    padding-left: 23px !important; 
    text-shadow: 1px 1px 0px white; 
} 
a:hover { color: #555 }

http://www.megawrz.com/css/192003-favicon-link-css.html

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