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