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