tracim_v2/dist/asset/hamburger/hamburgers.css

/*!
 * Hamburgers
 * @description Tasty CSS-animated hamburgers
 * @author Jonathan Suh @jonsuh
 * @site https://jonsuh.com/hamburgers
 * @link https://github.com/jonsuh/hamburgers
 */
.hamburger {
  padding: 15px 15px;
  display: inline-block;
  cursor: pointer;
  transition-property: opacity, filter;
  transition-duration: 0.15s;
  transition-timing-function: linear;
  font: inherit;
  color: inherit;
  text-transform: none;
  background-color: transparent;
  border: 0;
  margin: 0;
  overflow: visible; }
  .hamburger:hover {
    opacity: 0.7; }

.hamburger-box {
  width: 40px;
  height: 24px;
  display: inline-block;
  position: relative; }

.hamburger-inner {
  display: block;
  top: 50%;
  margin-top: -2px; }
  .hamburger-inner, .hamburger-inner::before, .hamburger-inner::after {
    width: 40px;
    height: 4px;
    background-color: #000;
    border-radius: 4px;
    position: absolute;
    transition-property: transform;
    transition-duration: 0.15s;
    transition-timing-function: ease; }
  .hamburger-inner::before, .hamburger-inner::after {
    content: "";
    display: block; }
  .hamburger-inner::before {
    top: -10px; }
  .hamburger-inner::after {
    bottom: -10px; }
/*
   * Collapse
   */
.hamburger--collapse .hamburger-inner {
  top: auto;
  bottom: 0;
  transition-duration: 0.13s;
  transition-delay: 0.13s;
  transition-timing-function: cubic-bezier(0.55, 0.055, 0.675, 0.19); }
  .hamburger--collapse .hamburger-inner::after {
    top: -20px;
    transition: top 0.2s 0.2s cubic-bezier(0.33333, 0.66667, 0.66667, 1), opacity 0.1s linear; }
  .hamburger--collapse .hamburger-inner::before {
    transition: top 0.12s 0.2s cubic-bezier(0.33333, 0.66667, 0.66667, 1), transform 0.13s cubic-bezier(0.55, 0.055, 0.675, 0.19); }

.hamburger--collapse.is-active .hamburger-inner {
  transform: translate3d(0, -10px, 0) rotate(-45deg);
  transition-delay: 0.22s;
  transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1); }
  .hamburger--collapse.is-active .hamburger-inner::after {
    top: 0;
    opacity: 0;
    transition: top 0.2s cubic-bezier(0.33333, 0, 0.66667, 0.33333), opacity 0.1s 0.22s linear; }
  .hamburger--collapse.is-active .hamburger-inner::before {
    top: 0;
    transform: rotate(-90deg);
    transition: top 0.1s 0.16s cubic-bezier(0.33333, 0, 0.66667, 0.33333), transform 0.13s 0.25s cubic-bezier(0.215, 0.61, 0.355, 1); }
/*
   * Spring
   */
.hamburger--spring .hamburger-inner {
  top: 2px;
  transition: background-color 0s 0.13s linear; }
  .hamburger--spring .hamburger-inner::before {
    top: 10px;
    transition: top 0.1s 0.2s cubic-bezier(0.33333, 0.66667, 0.66667, 1), transform 0.13s cubic-bezier(0.55, 0.055, 0.675, 0.19); }
  .hamburger--spring .hamburger-inner::after {
    top: 20px;
    transition: top 0.2s 0.2s cubic-bezier(0.33333, 0.66667, 0.66667, 1), transform 0.13s cubic-bezier(0.55, 0.055, 0.675, 0.19); }

.hamburger--spring.is-active .hamburger-inner {
  transition-delay: 0.22s;
  background-color: transparent; }
  .hamburger--spring.is-active .hamburger-inner::before {
    top: 0;
    transition: top 0.1s 0.15s cubic-bezier(0.33333, 0, 0.66667, 0.33333), transform 0.13s 0.22s cubic-bezier(0.215, 0.61, 0.355, 1);
    transform: translate3d(0, 10px, 0) rotate(45deg); }
  .hamburger--spring.is-active .hamburger-inner::after {
    top: 0;
    transition: top 0.2s cubic-bezier(0.33333, 0, 0.66667, 0.33333), transform 0.13s 0.22s cubic-bezier(0.215, 0.61, 0.355, 1);
    transform: translate3d(0, 10px, 0) rotate(-45deg); }