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