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