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