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