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