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