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