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