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