html, body {
  border: 0;
  margin: 0;
  padding: 0; }

div.scale {
  float: left;
  margin: 1%;
  padding: 0; }

img#sponsor {
  max-width: 320px; }

@media screen and (max-width: 767px) {
  div.scale {
    width: 98%; } }
@media screen and (min-width: 768px) {
  div.scale {
    width: 48%; } }
div.scale div {
  font-size: 12px; }

div.scale div img {
  display: block;
  margin: 0 auto;
  max-width: 768px;
  padding: 0;
  width: 100%; }

div#scale_menu, div#major_scales, div#minor_scales, div#title {
  border: 0;
  margin: 0 auto;
  padding: 0;
  width: 100%; }

div#major_scales, div#minor_scales {
  max-width: 1600px; }

div#title {
  font-size: 24px; }

div#scale_menu {
  font-size: 18px;
  max-width: 640px; }

div#major_scales table tr, div#minor_scales table tr {
  height: 20px; }

div#major_scales table.octave tr td, div#minor_scales table.octave tr td {
  width: calc(100% / 8); }

div#major_scales table.chords tr td, div#minor_scales table.chords tr td {
  width: calc(100% / 7); }

div#major_scales table tr td div, div#minor_scales table tr td div {
  display: flex;
  height: 18px;
  width: 24px;
  margin: 0 auto;
  padding: 0; }

div#major_scales table tr td span, div#minor_scales table tr td span {
  display: block;
  height: 18px;
  margin: 0 auto;
  padding: 0;
  width: 24px; }

.seventh {
  color: #C00; }

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