.highlight {
    transition:0.5s linear all;
}
.highlight.on-add {
    background:white;
}
.highlight.on {
    background:yellow;
}
.highlight.on-remove {
    background:black;
}

.show-hide {
    padding:10px;
    border:1px solid black;
    background:white;
}

.show-hide {
    -webkit-transition:all linear 0.5s;
    transition:all linear 0.5s;
}

.show-hide.ng-hide {
    opacity:0;
}