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