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