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