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