Element block pseudo-element :before generated with display block padding 20px box-shadow 1px 1px 1px rgba(0,0,0,0.3) box-sizing content-box font-size 16px line-height 1 position static transform transition background border 37% rgba(0,0,0,1) solid width 160px cursor default font-weight normal overflow hidden margin 0px float none text-shadow 1px 1px 1px rgba(0,0,0,0.2) border-radius height auto z-index auto