Element block pseudo-class :active generated with overflow hidden padding 20px box-sizing content-box font-size 16px text-shadow 1px 1px 1px rgba(0,0,0,0.2) display block line-height 1 float none z-index auto height auto transition width 160px box-shadow 1px 1px 1px rgba(255,0,0,0.3) border 0px rgba(0,0,0,1) solid cursor default border-radius font-weight normal margin 0px transform background position static