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