.sa {
 opacity: 0;
 transition-property: transform,opacity;
 transition-duration: 1s;
 transition-timing-function: ease;
 -webkit-transition-property: -webkit-transform,opacity;
 -webkit-transition-duration: 1s;
 -webkit-transition-timing-function: ease;
 }

.sa.show {
 opacity: 1;
 transform: none;
 }

.sa-up {
 transform: translate(0, 50px);
 }

.sa-down {
 transform: translate(0, -50px);
 }

.sa-fromleft {
 transform: translate(-50px, 0);
 }

.sa-fromleft {
 transform: translate(-50px, 0);
 }

.sa-delay50 { transition-delay: .5s; }
.sa-delay75 { transition-delay: .75s; }
.sa-delay100 { transition-delay: 1s; }
.sa-delay125 { transition-delay: 1.25s; }
.sa-delay150 { transition-delay: 1.5s; }
.sa-delay175 { transition-delay: 1.75s; }
.sa-delay200 { transition-delay: 2s; }
.sa-delay225 { transition-delay: 2.25s; }
.sa-delay275 { transition-delay: 2.75s; }