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