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