app/assets/images/svg/hamburger-menu.svg
<svg width="14" height="10" viewBox="0 0 14 10" xmlns="http://www.w3.org/2000/svg"><g fill="#5E6977" fill-rule="evenodd"><rect width="14" height="2" rx="1"/><rect y="4" width="14" height="2" rx="1"/><rect y="8" width="14" height="2" rx="1"/></g></svg>