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