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