v-center: transform method view source Vertically center an element using the clever transform method. use-name scut-vcenter-tt type mixin and placeholder (same) compatibility This utility uses a CSS transform, so will not work with IE8. Also note that transform requires vendor prefixes (which are included). This utility is simply an alias for scut-center-transform, but centering only on the vertical axis. It's included to fit with the vcenter naming convention. So go see the examples for scut-center-transform, please.