/* --- style animation -- */
.appear {
    opacity: 0;
    position: relative;
    -webkit-transition: opacity 0.15s ease;
    -moz-transition: opacity 0.15s ease;
    -ms-transition: opacity 0.15s ease;
    -o-transition: opacity 0.15s ease;
    transition: opacity 0.15s ease;
}

.appear.appeared {
    opacity: 1;
}

.appear.appear-from-left {
    left: -20px;
}

.appear.appear-from-right {
    right: -20px;
}

.appear.appear-from-left.appeared {
    left: 0;
}

.appear.appear-from-right.appeared {
    right: 0;
}

.appear.appear-from-top {
    top: -20px;
}

.appear.appear-from-top.appeared {
    top: 0;
}

.appear.appear-from-bottom{
    bottom: -20px;
}

.appear.appear-from-bottom.appeared {
    bottom: 0;
}

/**
 * Transitions
 */

.ease {
    transition: all .2s ease;
    -webkit-transition: all .2s ease;
    -moz-transition: all .2s ease;
}

.ease-slow {
    transition: all .5s ease;
    -webkit-transition: all .5s ease;
    -moz-transition: all .5s ease;
}