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