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