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