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