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