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