Moved colour scheme toggle and squashed commits (#433)

Jian Liew

25.17.2020 6c3a33291178693c31fbfdda663a8586b84a96f6

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.footer {
  width: 100%;
  text-align: center;
  line-height: 2.0rem;
  margin-bottom:1.0rem;
  a {
    color: $link-color;
  }
}