Element block pseudo-class :active generated with height auto border 0px rgba(0,0,0,1) solid transition opacity 0.52 border-radius background box-sizing content-box cursor default float none font-size 16px transform padding 20px line-height 1 font-weight normal overflow hidden margin 0px display block text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) position relative width 160px