example.less

@import url(https://fonts.googleapis.com/css?family=Raleway:400,700,800);

*, *:after, *:before { -webkit-box-sizing: border-box; box-sizing: border-box; }

html {
  height: 100%;
}

body {
  height: 100%;
  background: #444;
  color: #fffce1;
  font-family: 'Raleway', Arial, sans-serif;
}

#app {
  height: 100%;
}

a {
  color: #4e4a46;
  text-decoration: none;

  &:hover,
  &:focus {
    color: #c94e50;
  }
}

main {
  height: 100%;
  padding: 3em 2em;
  text-align: center;
  background: #b4bad2;
  overflow: auto;
}

h1 {
  font-weight: 800;
  font-size: 3.75em;
}

.description {
  max-width: 20em;
  margin: 1.2em auto 1em;
  line-height: 1.3em;
  font-weight: 400;
}

.demo-buttons {
  font-size: 1em;
  max-width: 1200px;
  margin: 2em auto 3em;
  padding: 0 10em;

  a {
    display: inline-block;
    margin: 0.75em;
    padding: 1.35em 1.1em;
    width: 15em;
    background: #fffce1;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 800;
    border-top-left-radius: 20px 50px;
    border-top-right-radius: 20px 50px;
    border-bottom-right-radius: 20px 50px;
    border-bottom-left-radius: 20px 50px;
    cursor: pointer;

    &.current-demo {
      background: #c94e50;
      color: #fffce1;
    }
  }
}

.side-button {
  display: inline-block;
  width: 5em;
  height: 2.5em;
  line-height: 2.5em;
  cursor: pointer;
  background: #fffce1;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.8em;
  font-weight: 800;

  &.left {
    border-top-left-radius: 10px;
    border-bottom-left-radius: 10px;
  }

  &.right {
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
  }

  &.active {
    background: #c94e50;
    color: #fffce1;
  }
}

@media screen and (max-width: 40em) {
  main {
    font-size: 80%;
  }

  h1 {
    padding-top: 1em;
    font-size: 2.5em;
  }

  .demo-buttons {
    max-width: 900px;
    padding: 0 2em;
  }
}

//
// Burger menu custom styles
//
.bm-burger-button {
  position: fixed;
  width: 36px;
  height: 30px;
  left: 36px;
  top: 36px;
}

.right .bm-burger-button {
  left: initial;
  right: 36px;
}

.bm-burger-bars {
  background: #373a47;
}

.bm-morph-shape {
  fill: #373a47;
}

.bm-menu {
  background: #373a47;

  a {
    color: #b8b7ad;

    &:hover,
    &:focus {
      color: #c94e50;
    }
  }
}

.bm-item-list a {
  padding: 0.8em;

  span {
    margin-left: 10px;
    font-weight: 700;
  }
}

.bm-item:focus {
  outline: none;
}

//
// Mixins
//
.menu-1 {
  .bm-cross {
    background: #bdc3c7;
  }

  .bm-menu {
    padding: 2.5em 1.5em 0;
    font-size: 1.15em;
  }
}

.menu-2 {
  .bm-cross {
    background: #999;
  }

  .bm-menu {
    padding: 3.4em 1em 0;
  }

  a {
    padding: 1em;
  }

  i {
    font-size: 1.7em;
    vertical-align: middle;
    color: #282a35;
  }
}

.menu-3 {
  .bm-cross {
    background: #888;
  }

  .bm-menu {
    padding: 2em 1em;
    font-size: 1.15em;
  }

  i {
    opacity: 0.5;
  }

  span {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.75em;
  }
}

.menu-4 {
  .bm-cross {
    background: #888;
  }

  h2 {
    margin: 0 auto;
    padding: 2em 1em;
    color: rgba(0, 0, 0, 0.4);
    box-shadow: inset 0 -1px rgba(0, 0, 0, 0.2);

    i {
      margin-left: 0.2em;
    }

    span {
      font-size: 1.6em;
      font-weight: 700;
    }
  }

  a {
    padding: 1em;
    text-transform: uppercase;
    transition: background 0.3s, box-shadow 0.3s;
    box-shadow: inset 0 -1px rgba(0, 0, 0, 0.2);

    span {
      letter-spacing: 1px;
      font-weight: 400;
    }

    &:hover,
    &:focus {
      background: rgba(0, 0, 0, 0.2);
      box-shadow: inset 0 -1px rgba(0, 0, 0, 0);
      color: #b8b7ad;
    }
  }
}

#slide,
#stack,
#reveal {
  .menu-1;
}

#bubble,
#push {
  .menu-2;
}

#elastic {
  .menu-3;
}

#scaleDown,
#scaleRotate,
#pushRotate,
#fallDown {
  .menu-4;
}