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