.square-button {
    height: 60px;
    position: absolute;
    width: 60px;
    border-radius: 50%;
    /* background: #3f4c6b;
    background: -moz-linear-gradient(top, rgba(63, 76, 107, 1) 0, rgba(63, 76, 107, 1) 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, rgba(63, 76, 107, 1)), color-stop(100%, rgba(63, 76, 107, 1)));
    background: -webkit-linear-gradient(top, rgba(63, 76, 107, 1) 0, rgba(63, 76, 107, 1) 100%);
    background: -o-linear-gradient(top, rgba(63, 76, 107, 1) 0, rgba(63, 76, 107, 1) 100%);
    background: -ms-linear-gradient(top, rgba(63, 76, 107, 1) 0, rgba(63, 76, 107, 1) 100%);
    background: linear-gradient(to bottom, rgba(63, 76, 107, 1) 0, rgba(63, 76, 107, 1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#3f4c6b', endColorstr='#3f4c6b', GradientType=0); */
}
.square-button div.number {
    font-size: 12px;
    font-weight: bold;
    color: #fff;
    display: block;
    margin: auto;
    text-align: center;
    position: relative;
    top: 25px;
}
#vortex {
    width: 300px;
    height: 300px;
    position: relative;
}
/* .square-button.first {
    background: #ffa84c;
    background: -moz-linear-gradient(top, #ffa84c 0, #ff7b0d 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #ffa84c), color-stop(100%, #ff7b0d));
    background: -webkit-linear-gradient(top, #ffa84c 0, #ff7b0d 100%);
    background: -o-linear-gradient(top, #ffa84c 0, #ff7b0d 100%);
    background: -ms-linear-gradient(top, #ffa84c 0, #ff7b0d 100%);
    background: linear-gradient(to bottom, #ffa84c 0, #ff7b0d 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffa84c', endColorstr='#ff7b0d', GradientType=0);
} */
/* #vortex.vortex-animating > * {
    background: #88bfe8;
    background: -moz-linear-gradient(top, rgba(136, 191, 232, 1) 0, rgba(112, 176, 224, 1) 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, rgba(136, 191, 232, 1)), color-stop(100%, rgba(112, 176, 224, 1)));
    background: -webkit-linear-gradient(top, rgba(136, 191, 232, 1) 0, rgba(112, 176, 224, 1) 100%);
    background: -o-linear-gradient(top, rgba(136, 191, 232, 1) 0, rgba(112, 176, 224, 1) 100%);
    background: -ms-linear-gradient(top, rgba(136, 191, 232, 1) 0, rgba(112, 176, 224, 1) 100%);
    background: linear-gradient(to bottom, rgba(136, 191, 232, 1) 0, rgba(112, 176, 224, 1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#88bfe8', endColorstr='#70b0e0', GradientType=0);
} */