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