.fa {
    padding: 20px;
    font-size: 30px;
    width: 50px;
    text-align: center;
    text-decoration: none;
    margin: 5px 2px;
}

.fa-windows {
    background: #55ACEE;
    color: white;
}

.fa-google {
    background: #dd4b39;
    color: white;
}

.fa:hover {
    opacity: 0.7;
}

.top-padding {
    padding-top: 100px;
}

.inline {
    display: inline;
}

.centered {
    text-align: center
}

.vertical-padding {
    padding-top: 100px;
}