body {
    margin: 0 auto 20px auto;
    width: 960px;
}
.m15 {
    margin: 15px;
}
.mt15 {
    margin-top: 15px;
}
.mt20 {
    margin-top: 15px;
}

.reveal-animation.ng-enter {
    -webkit-animation: enter_sequence 1s linear; /* Safari/Chrome */
    animation: enter_sequence 1s linear; /* IE10+ and Future Browsers */
}
@-webkit-keyframes enter_sequence {
    from { opacity:0; }
    to { opacity:1; }
}
@keyframes enter_sequence {
    from { opacity:0; }
    to { opacity:1; }
}