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