*{
    margin: 0;
    padding: 0;
    -webkit-box-sizing:border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.social{
    position: fixed;
    left: 0;
    top: 300px;
    z-index: 2000;
}
.social ul{
    list-style: none;
    
}

.social ul li a {
    display: inline-block;
    color: #fff;
    background: #000;
    padding: 10px 15px;
    text-decoration: none;
    -webkit-transition:all 500ms ease;
    -o-transition:all 500ms ease;
    transition: all 500ms ease;
}

.social ul li .icon-facebook {background:#3b5998 ;}
.social ul li .icon-twitter {background:#00abf0 ;}

.social ul li a:hover {
    padding: 10px 30px;
   
}