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