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