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