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