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