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