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