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