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