gistfile1.css

.icon-list {
    margin-top: 50px;
}

.icon-sub-text {
    padding-top: 0;
    text-align: center !important;
}

.window-icon {
    font-size: 8em;
    display: block !important;
    text-align: center !important;
    margin-top: 25px;
    margin-right: 10px;
    color: white;
}

.window-icon-circle:hover {
    background-color: #56aed7;
}

.apple-icon-circle:hover {
    background-color: #666d77;
}

.droid-icon-circle:hover {
    background-color: #f0bb51;
}

.apple-icon {
    font-size: 8em;
    display: block !important;
    text-align: center !important;
    margin-top: 25px;
    color: white;
}

.droid-icon {
    font-size: 8em;
    display: block !important;
    text-align: center !important;
    margin-top: 20px;
    color: white;
}

.window-icon-circle {
    background-color: rgba(85,175,217, 0.5);
    border-radius: 50%;
    height: 170px;
    text-decoration: none !important;
}

.apple-icon-circle {
    background-color: rgba(102,108,118, 0.5);
    border-radius: 50%;
    height: 170px;
}

.droid-icon-circle {
    background-color: rgba(244,190,82, 0.5);
    border-radius: 100px;
    height: 170px;
}

first things first

.window-icon-circle:hover, .window-icon-circle.active {
    background-color: #56aed7;
}

.apple-icon-circle:hover, .apple-icon-circle.active {
    background-color: #666d77;
}

.droid-icon-circle:hover, .droid-icon-circle.active {
   background-color: #f0bb51;
}