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