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