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