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