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