html {
  margin: 0;
  padding: 0;
  height: 100%;
  box-sizing: border-box;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 100%;
  color: #585858;
  background: white;
  overflow-x: hidden;
  overflow-y: auto; }

body {
  margin: 0 auto;
  padding: 0;
  min-height: 100%;
  max-width: 52.5rem;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-content: stretch;
  overflow-x: hidden; }

p {
  margin: 0 0 0.625rem 0;
  padding: 0;
  box-sizing: border-box;
  font: inherit;
  font-size: 1rem;
  line-height: 1.375rem;
  vertical-align: baseline; }

b {
  font-weight: bold; }

em {
  font-weight: normal;
  font-style: italic; }

a {
  color: #0000ee; }
  a:hover {
    color: red; }

img {
  max-width: 100%; }

a.inline {
  text-decoration: none; }
  a.inline:hover {
    text-decoration: underline; }

.caps {
  font-variant: small-caps; }

#main_body {
  flex-grow: 1;
  flex-shrink: 0;
  display: flex;
  flex-direction: row;
  overflow: hidden; }

#main_content {
  padding: 1.25rem 0 1.25rem 1.25rem;
  flex-grow: 1;
  flex-shrink: 1;
  overflow: hidden; }

@media screen and (max-width: 52.5em) {
  #main_content {
    padding-right: 1.25rem; } }

@media screen and (max-width: 45em) {
  #main_body {
    flex-direction: column; }
  #main_content {
    order: -1; } }

#main_header {
  margin-top: 0.625rem;
  padding: 0.625rem 0;
  padding-left: 10rem;
  border-bottom: 0.0625rem solid #585858;
  background-image: url(/assets/b443ab34cbc972caaa3088792c7fd24c.png);
  background-repeat: no-repeat;
  background-position: left;
  background-size: contain; }
  #main_header div:nth-child(1) {
    color: #000084;
    font-size: 4.5rem;
    font-weight: 700;
    text-shadow: 0.03125rem 0.03125rem 0.0625rem #0000ee; }
    #main_header div:nth-child(1) span {
      font-size: 0.2em;
      vertical-align: text-top;
      width: 0.625rem;
      margin-right: -0.625rem; }
  #main_header div:nth-child(2) {
    margin-top: 0.25rem;
    color: #0000b7;
    text-shadow: 0.025rem 0.025rem 0.03125rem #8484ff;
    font-size: 1.25rem;
    font-style: italic; }
  @media screen and (max-width: 52.5em) {
    #main_header {
      margin-top: 1.19048vw;
      padding: 1.19048vw 0;
      padding-left: 19.04762vw;
      border-bottom-width: 0.11905vw; }
      #main_header div:nth-child(1) {
        font-size: 8.57143vw;
        text-shadow: 0.05952vw 0.05952vw 0.11905vw #0000ee; }
        #main_header div:nth-child(1) span {
          width: 1.19048vw;
          margin-right: -1.19048vw; }
      #main_header div:nth-child(2) {
        margin-top: 0.47619vw;
        text-shadow: 0.04762vw 0.04762vw 0.05952vw #8484ff;
        font-size: 2.38095vw; } }

#main_aside {
  flex-grow: 0;
  flex-shrink: 0;
  padding: 1.25rem;
  width: 14.375rem;
  background: #eeeef9; }
  #main_aside h2 {
    margin: 1.25rem 0 0.625rem 0;
    padding: 0;
    box-sizing: border-box;
    display: block;
    font-weight: bold;
    font-size: 1.25rem;
    color: #000084; }
    #main_aside h2 span {
      margin-right: 0.25rem; }
  #main_aside ul {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
    display: block; }
  #main_aside li {
    margin: 0 0 0.625rem 0;
    padding: 0;
    box-sizing: border-box;
    display: block; }
  #main_aside h2 + ul {
    padding-left: 1.25rem; }
  @media screen and (max-width: 45em) {
    #main_aside {
      width: auto;
      -webkit-column-count: 2;
              column-count: 2;
      -webkit-column-width: 14.375rem;
              column-width: 14.375rem;
      border-top: 0.0625rem solid #585858; }
      #main_aside div {
        -webkit-column-break-inside: avoid;
                break-inside: avoid; }
      #main_aside li {
        margin: 0 0 0.3125rem 0; } }
  @media screen and (max-width: 33.125em) {
    #main_aside {
      -webkit-column-width: 37.73585vw;
              column-width: 37.73585vw; } }

#main_footer {
  padding-bottom: 0.25rem;
  font-size: 0.6875rem;
  border-top: 0.0625rem solid #585858; }

.bug-icon {
  display: block;
  box-sizing: border-box;
  width: 2rem;
  height: 2rem;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  background-image: url(/assets/b45e7bc0742a9135d9eca05f28038f01.png);
  display: inline-block;
  vertical-align: bottom; }

.column-icon {
  display: block;
  box-sizing: border-box;
  width: 2rem;
  height: 2rem;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  background-image: url(/assets/2ccbea6baf377b077ec3530f4b2e7b08.gif);
  display: inline-block;
  vertical-align: bottom; }

.flashcards-icon {
  display: block;
  box-sizing: border-box;
  width: 2rem;
  height: 2rem;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  background-image: url(/assets/31ff8694e726b13d9ff1eed35848d3d4.png);
  display: inline-block;
  vertical-align: bottom; }

.numberator-icon {
  display: block;
  box-sizing: border-box;
  width: 2rem;
  height: 2rem;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  background-image: url(/assets/a47d76eae9e1061090bd5dddc87976fd.png);
  display: inline-block;
  vertical-align: bottom; }

.sheetmusic-icon {
  display: block;
  box-sizing: border-box;
  width: 2rem;
  height: 2rem;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  background-image: url(/assets/dec7afe5e51fbc16e9430b2372250418.png);
  display: inline-block;
  vertical-align: bottom; }