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