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