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