.main.view_landing_page_accordion #document_title {
  display: block;
}
.landing_page_accordion section {
  overflow: hidden;
}
.landing_page_accordion section > div {
  float: left;
  width: 20%;
}
.landing_page_accordion section > div > div {
  box-sizing: content-box;
  width: calc(100% - 1.5em);
  height: 12.5em;
  padding: 0.5em 0.75em;
  text-align: left;
  border: none;
  border-radius: 0.75em;
  background: none;
  background-color: #fcfbfa;
  transition: all 0.4s;
  overflow: hidden;
  cursor: pointer;
  outline: none;
}
.landing_page_accordion section > div > div:active {
  outline: none;
}
.landing_page_accordion section > div > div:hover {
  background-color: #eee;
}
.landing_page_accordion section > div > div.active {
  background-color: #fd6;
  border-radius: 1.25em;
}
.landing_page_accordion section > div > div > div {
  float: right;
  width: 7em;
  height: 2em;
  margin-bottom: 0.5em;
  color: #fff;
  background-size: 7em 2em;
  overflow: hidden;
}
.landing_page_accordion section.orange > div > div > div {
  background-image: url('/data/70f56b64-f627-4df5-9b70-7fb0bc9fcf39');
}
.landing_page_accordion section.green > div > div > div {
  background-image: url('/data/1c2b8eae-c6ff-4f08-bada-2eb1f94dc658');
}
.landing_page_accordion section.purple > div > div > div {
  background-image: url('/data/1fc1e86d-7a2f-4355-964f-03e93bf9b69f');
}
.landing_page_accordion section > div > div > div > div {
  float: left;
  display: block;
  width: 4.75em;
  height: 2em;
  line-height: 1.75em;
  text-align: center;
}
.landing_page_accordion section > div > div > div > div > span {
  font-size: 0.75em;
}
.landing_page_accordion section > div > div > div > span {
  float: right;
  display: block;
  width: 2.25em;
  height: 2em;
  line-height: 2em;
  text-align: center;
}
.landing_page_accordion section > div > div > figure {
  clear: right;
  width: 100%;
  height: 7em;
  padding: 0;
  margin: 0;
  border-top-left-radius: 2em;
  border-bottom-right-radius: 2em;
  /*background-image: url('/data/6b4b1b45-366c-4ece-9601-b22d38f046ae');*/
  background-size: cover;
  background-position: center center;
}
.landing_page_accordion section.columns_3 > div > div > figure.chapter_1 {
  background-image: url('/data/8ca59798-88f4-42f0-884c-61f22c013aae');
}
.landing_page_accordion section.columns_3 > div > div > figure.chapter_2 {
  background-image: url('/data/616981c0-a999-407f-b530-c38c5c7e369a');
}
.landing_page_accordion section.columns_3 > div > div > figure.chapter_3 {
  background-image: url('/data/ebcafc6d-eba3-4a7b-9e00-d7f423250f1a');
}



/*  chapter images */
.landing_page_accordion section.orange > div > div > figure.chapter_1 {
  background-image: url('/data/f7fb003b-8788-45f7-a40f-9684653f0b6f');
}
.landing_page_accordion section.orange > div > div > figure.chapter_2 {
  background-image: url('/data/28106200-7b42-4506-a6ac-3ab51567abe8');
}
.landing_page_accordion section.orange > div > div > figure.chapter_3 {
  background-image: url('/data/f32f6509-d60d-4100-92ea-267a5657d430');
}
.landing_page_accordion section.orange > div > div > figure.chapter_4 {
  background-image: url('/data/5dd8923f-e3d2-4c22-b52a-698971039660');
}

.landing_page_accordion section.green > div > div > figure.chapter_1 {
  background-image: url('/data/a063343a-4e74-47aa-9ad1-70a0543e2da4');
}
.landing_page_accordion section.green > div > div > figure.chapter_2 {
  background-image: url('/data/ffa05e3d-2d34-4d4f-afdf-7045572c333d');
}
.landing_page_accordion section.green > div > div > figure.chapter_3 {
  background-image: url('/data/bf5ab7d0-7976-4781-8f72-358bf0daa9ff');
}
.landing_page_accordion section.green > div > div > figure.chapter_4 {
  background-image: url('/data/7a24baa1-4bc9-4f22-8174-50b58d3184f0');
}
.landing_page_accordion section.green > div > div > figure.chapter_5 {
  background-image: url('/data/7c619326-3400-4961-b00e-49672bd190eb');
}
.landing_page_accordion section.green > div > div > figure.chapter_6 {
  background-image: url('/data/3e9ba7b1-428b-414a-a776-f3974c0357f0');
}
.landing_page_accordion section.green > div > div > figure.chapter_7 {
  background-image: url('/data/5a2fc06e-9052-419f-aea3-83e3aeb86c48');
}
.landing_page_accordion section.green > div > div > figure.chapter_8 {
  background-image: url('/data/482340d9-7b3d-471b-9db2-948ee99653af');
}
.landing_page_accordion section.green > div > div > figure.chapter_9 {
  background-image: url('/data/b9ea4849-74fe-46aa-86ab-ed590423c194');
}

.landing_page_accordion section.purple > div > div > figure.chapter_1 {
  background-image: url('/data/fc0fbcbe-3a38-4130-89eb-5b9fbd3a4146');
}
.landing_page_accordion section.purple > div > div > figure.chapter_2 {
  background-image: url('/data/27d5b2f2-0766-4b73-a26d-e2c59da438a4');
}
.landing_page_accordion section.purple > div > div > figure.chapter_3 {
  background-image: url('/data/093794a6-6b51-4786-9b22-8647603160cf');
}
.landing_page_accordion section.purple > div > div > figure.chapter_4 {
  background-image: url('/data/d48b0409-1f83-4104-8681-1c211b560f07');
}
.landing_page_accordion section.purple > div > div > figure.chapter_5 {
  background-image: url('/data/263e9590-0a66-4700-bb93-a465dddd99e1');
}
.landing_page_accordion section.purple > div > div > figure.chapter_6 {
  background-image: url('/data/30dee7e5-3599-4901-970b-9e1e10c2f4ed');
}
.landing_page_accordion section.purple > div > div > figure.chapter_7 {
  background-image: url('/data/04b6cbac-ca07-46db-8eb1-119fe8180010');
}
.landing_page_accordion section.purple > div > div > figure.chapter_8 {
  background-image: url('/data/041e486e-e724-42d9-9eeb-a83925885e56');
}
.landing_page_accordion section.purple > div > div > figure.chapter_9 {
  background-image: url('/data/c4996c27-a783-477f-98e2-5f29e39b18cd');
}
.landing_page_accordion section.purple > div > div > figure.chapter_10 {
  background-image: url('/data/9dbc64c0-6009-4efe-8482-d3dff8018e63');
}



.landing_page_accordion section > div > div > span {
  display: block;
  padding-top: 0.5em;
  height: 2.5em;
  line-height: 1.25em;
}

/*  submenus */
.landing_page_accordion section > aside {
  display: none;
  float: left;
  width: 100%;
}
.landing_page_accordion section > aside.active {
  display: block;
}
.landing_page_accordion section > aside > ul {
  width: 60%;
  list-style-type: none;
  padding: 0;
  margin: 0;
}
.landing_page_accordion section > aside ul ul {
  display: none;
  margin: 0;
  border-radius: 0;
}
.landing_page_accordion section > aside ul > li {
  padding: 0;
  margin: 0;
}
.landing_page_accordion section > aside ul > li > button {
  display: block;
  box-sizing: content-box;
  color: #fff;
  padding: 0.25em 0.75em;
  width: calc(100% - 1.5em);
  height: 2em;
  font-size: 1em;
  line-height: 2em;
  text-align: left;
  border: none;
  background: #555;
  outline: none;
  cursor: pointer;
  transition: background-color 0.2s;
}
.landing_page_accordion section > aside ul > li > button > span {
  float: left;
  display: block;
  margin-right: 0.5em;
  width: 2em;
  height: 2em;
  background: url('/data/71028e12-8635-48d7-862c-f5e9384493ef') no-repeat;
  background-size: 2em 4em;
  background-position: 0 0;
}
.landing_page_accordion section > aside ul > li > button.active {
  background: #000;
}
.landing_page_accordion section > aside ul > li > button.active > span {
  background-position: 0 -2em;
}


.landing_page_accordion section > aside.item-1 > ul,
.landing_page_accordion section > aside.item-6 > ul,
.landing_page_accordion section > aside.item-11 > ul {
  margin-left: 20%;
}
.landing_page_accordion section > aside.item-2 > ul,
.landing_page_accordion section > aside.item-3 > ul,
.landing_page_accordion section > aside.item-4 > ul,
.landing_page_accordion section > aside.item-7 > ul,
.landing_page_accordion section > aside.item-8 > ul,
.landing_page_accordion section > aside.item-4 > ul,
.landing_page_accordion section > aside.item-12 > ul,
.landing_page_accordion section > aside.item-13 > ul,
.landing_page_accordion section > aside.item-14 > ul {
  margin-left: 40%;
}


.landing_page_accordion section > aside ul {
  margin-top: 0.25em;
  margin-bottom: 1.25em;
  border-radius: 0.75em;
  overflow: hidden;
}
.landing_page_accordion section > aside ul > li {
  padding: 0;
  margin: 0;
}
.landing_page_accordion section > aside ul > li > a {
  display: block;
  padding: 0.25em 0.75em;
  color: #000;
  text-decoration: none;
  background-color: #eee;
  transition: background-color 0.2s;
}
.landing_page_accordion section > aside ul > li > a:hover {
  background-color: #fd6;
}
.landing_page_accordion section > aside ul > li.active > a {
  background-color: #fd6;
}



@media screen and (max-width: 799px) {
  .landing_page_accordion section > div {
    width: 33%;
  }
  .landing_page_accordion section > aside > ul {
    width: 100%;
    margin-left: 0 !important;
  }
}
@media screen and (min-width: 800px) /*and (max-width: 1023px)*/ {
  .landing_page_accordion section > div {
    width: 25%;
  }
  .landing_page_accordion section > aside > ul {
    width: 75%;
  }
  .landing_page_accordion section > aside.item-0 > ul,
  .landing_page_accordion section > aside.item-4 > ul,
  .landing_page_accordion section > aside.item-8 > ul {
    margin-left: 0;
  }

  .landing_page_accordion section > aside.item-1 > ul,
  .landing_page_accordion section > aside.item-5 > ul,
  .landing_page_accordion section > aside.item-9 > ul,
  .landing_page_accordion section > aside.item-13 > ul {
    margin-left: 25%;
  }

  .landing_page_accordion section > aside.item-2 > ul,
  .landing_page_accordion section > aside.item-3 > ul,
  .landing_page_accordion section > aside.item-6 > ul,
  .landing_page_accordion section > aside.item-7 > ul,
  .landing_page_accordion section > aside.item-10 > ul,
  .landing_page_accordion section > aside.item-11 > ul {
    margin-left: 30%;
  }
}




.landing_page_accordion ul#submenus {
  display: none;
}


/**
* grammar section - columns
*/
.landing_page_accordion section.columns > div > div {
  padding-top: 0.75em;
  height: 10.5em;
}
.landing_page_accordion section.columns.columns_3 > div {
  width: 33%;
}
@media screen and (max-width: 800px) {
  .landing_page_accordion section.columns > div {
    width: 100% !important;
  }
  .landing_page_accordion section.columns aside ul {
    width: 100%;
    margin-left: 0;
  }
}