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