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