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