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