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