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