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