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