Element block pseudo-element :after generated with transition width 100% font-size 16px margin 0px border 0px rgba(0,0,0,1) solid transform border-radius line-height 1 float none height auto display block box-shadow 1px 1px 1px rgba(0,0,0,0.3) padding 20px cursor default overflow hidden position static box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto background font-weight normal