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