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