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