Element block pseudo-element :before generated with margin 0px padding 20px width auto cursor default line-height 1 float none border-radius height 100% position static box-shadow 1px 1px 1px rgba(0,0,0,0.3) transition z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) display block border 0px rgba(0,0,0,1) solid font-size 16px overflow hidden font-weight normal transform box-sizing content-box background