menu-main.css

/**
 * @file
 * This file is used to style the main menu.
 */

.menu-main {
  overflow: hidden;
  max-height: 0;
  margin: 0;
  padding: 0;
  list-style-type: none;
  transition: max-height 0.5s ease-in;
  color: #000;
  font-family: "Scope One", Georgia, serif;
  font-size: 1.266rem;
  font-weight: 400;
  line-height: 1.2;
}
.menu-main--active {
  overflow-y: auto;
  /**
   * An exact max-height value must be set to make possible to animate the menu display.
   * It my not be much larger than the content because that would break the animation.
   * See: https://css-tricks.com/using-css-transitions-auto-dimensions/
   */
  max-height: 18.75rem;
}
.menu-main-toggle {
  width: 41px;
  height: 41px;
  margin-right: -9px;
  /* the padding, margin & transparent border means the hamburger doesn't move on focus/hover */
  padding: 0 6px;
  text-align: left;
  border: 3px solid transparent;
  border-radius: 0;
  background-color: transparent;
  line-height: 1;
}
.menu-main-toggle:hover {
  background-color: transparent;
}
.menu-main-toggle svg {
  display: block;
}
.menu-main__item {
  margin-top: 0.8em;
  text-align: center;
}
.menu-main__link {
  display: inline-block;
  /* Margin required for focus outlines. */
  margin: 5px 3px;
  padding-bottom: 0.15em;
  transition: all 0.2s;
  text-decoration: none;
  color: inherit;
  border-bottom: solid 0.15em transparent;
  background-color: inherit;
}
.menu-main__link:hover,
.menu-main__link.is-active:hover,
.menu-main__link:focus {
  text-decoration: none;
  color: #da3c13;
  border-bottom-color: #da3c13;
  background-color: inherit;
}
.menu-main__link:active,
.menu-main__link.is-active {
  text-decoration: none;
  border-bottom-color: #da3c13;
}

@media screen and (min-width: 48em) {
  .menu-main {
    display: flex;
    overflow: auto;
    flex-wrap: wrap;
    justify-content: flex-end;
    max-height: none;
  }
  .menu-main-toggle {
    display: none;
  }
  .menu-main__item {
    margin-top: 0;
    margin-bottom: 0;
  }
  .menu-main__item + .menu-main__item {
    margin-left: 2.5em; /* LTR */
  }
  [dir="rtl"] .menu-main__item + .menu-main__item {
    margin-right: 2.5em;
    margin-left: 0;
  }
}

@media screen and (min-width: 48em) {
  .menu-main-togglewrap {
    display: none;
  }
}

.menu-main__wrapper {
  flex: 0 1 100%;
  text-align: center;
}

@media screen and (min-width: 48em) {
  .menu-main__wrapper {
    flex-basis: calc(100% - 220px);
    flex-grow: 0;
    flex-shrink: 1;
    text-align: right;
  }
}

@media screen and (min-width: 48em) {
  .menu-main {
    display: flex;
    justify-content: flex-end;
  }
}