/**
 * Menu overview.
 */
.c-menu {
  position: fixed;
  z-index: 200;
  background-color: #ffffff;
  transition: transform 0.3s;
}

.c-menu__items {
  margin: 3rem 0 0 3rem;
  padding: 0;
  list-style: none;
}

.c-menu__items li {
  margin-top: 2rem;
}

/**
 * Body states.
 */
body.has-active-menu {
  overflow: hidden;
}

/**
 * Mask component
 */
.c-mask {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  overflow: hidden;
  width: 0;
  height: 0;
  background-color: #ffffff;
  opacity: 0;
  transition: opacity 0.3s, width 0s 0.3s, height 0s 0.3s;
}

.c-mask.is-active {
  width: 100%;
  height: 100%;
  opacity: 0.9;
  transition: opacity 0.3s;
}

.c-menu--slide-left {
  width: 30rem;
  height: 100%;
  box-shadow: 0 1px 15px rgba(0,0,0,.2);
  top: 0;
  left: 0;
  -ms-transform: translateX(-100%);
  transform: translateX(-100%);
}

.c-menu--slide-right {
  width: 100rem;
  height: 100%;
  box-shadow: 0 1px 15px rgba(0,0,0,.2);
  top: 0;
  right: 0;
  -ms-transform: translateX(100%);
  transform: translateX(100%);
}

.c-menu--slide-left.is-active,
.c-menu--slide-right.is-active {
  -ms-transform: translateX(0);
  transform: translateX(0);
}