*
{
    box-sizing: border-box;
}

body
{
    margin: 0;
    padding: 0;
    background-color: #262626;
}

ul
{
    position: absolute;
    top: 50%;
    left: 50%;
    display: flex;
    margin: 0;
    padding: 0;
    -webkit-transform: translate(-50%, -50%);
        -ms-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);
}

ul li
{
    margin: 0 15px;
    list-style: none;
}

ul li a
{
    font-size: 30px;
    line-height: 100px;
    position: relative;
    display: block;
    width: 130px;
    height: 130px;
    padding-top: 20px;
    -webkit-transition: .5s;
         -o-transition: .5s;
            transition: .5s;
    text-align: center;
    color: #666;
    border-radius: 50%;
    background-color: #333;;
}
.fa-vuejs
{
    padding-top: 5px;
}


ul li a::before
{
    position: absolute;
    z-index: -1;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    content: '';
    -webkit-transition: .5s;
         -o-transition: .5s;
            transition: .5s;
    -webkit-transform: scale(1.03);
        -ms-transform: scale(1.03);
            transform: scale(1.03);
    border-radius: 50%;
    background: #763338;
}

ul li a:hover:before
{
    -webkit-transform: scale(1.1);
        -ms-transform: scale(1.1);
            transform: scale(1.1);
    -webkit-box-shadow: 0 0 15px #763338;
            box-shadow: 0 0 15px #763338;
}