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