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