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