#pinContainer {
    width: 100%;
    height: 100%;
    -webkit-perspective: 1000;
    perspective: 1000;
}
#slideContainer {
    width: 400%; 
    height: 100%;
}
.panel,
#slideContainer > .dnd-row {
    height: 100%;
    width: 25%; 
    float: left;
    min-height: 100vh;
    position: relative;
}