Element block pseudo-class :active generated with z-index auto width 160px float none background font-weight normal font-size 16px margin 0px position static transform box-shadow 1px 1px 1px rgba(0,0,0,0.3) overflow hidden border 0px rgba(0,0,0,1) solid height auto cursor default display block box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition padding 20px border-radius line-height 1