.social_footer {
    float: left;
    width: 100%;
    margin-top: 10px;
    padding-bottom: 40px;
    padding-top: 20px;
}
.social_footer li {
    float: left;
    width: 40px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    margin-right: 10px;
    /*border-radius: 50%;*/
    background: #337ab7;
}
.social_footer li a {
    color: #fff;
    font-size: 19px;
}