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