To use these utility classes, add to an element whose parent has position: relative.

All vertical positioning utility classes have position: absolute and width: 100%.

Group of Classes	CSS
.vertical-center	left: 50%; top: 50%;
.vertical-bottom	left: 50%; top: 0;
.vertical-10	left: 50%; top: 10%;
.vertical-20	left: 50%; top: 20%;
.vertical-70	left: 50%; top: 70%;
.vertical-80	left: 50%; top: 80%;