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