* {
    margin: 0px 0px 0px 0px;
    padding: 0px 0px 0px 0px;
  }

  body, html {
    padding: 3px 3px 3px 3px;

    background-color: #D8DBE2;

    font-family: Verdana, sans-serif;
    font-size: 11pt;
    text-align: center;
  }

  div.main_page {
    position: relative;
    display: table;

    width: 80%;

    margin-bottom: 3px;
    margin-left: auto;
    margin-right: auto;
    padding: 0px 0px 0px 0px;

    border-width: 2px;
    border-color: #212738;
    border-style: solid;

    background-color: #FFFFFF;

    text-align: center;
  }

  div.page_header {
    height: 200px;
    width: 100%;

    background-color: #F5F6F7;
  }

  div.page_header span {
    margin: 15px 0px 0px 50px;

    font-size: 150%;
    font-weight: bold;
  }

  div.page_header img {
    margin: 3px 3px 3px 40px;

    border: 0px 0px 0px;
  }

  div.table_of_contents {
    clear: left;

    min-width: 400px;

    margin: 3px 3px 3px 3px;

    background-color: #FFFFFF;

    text-align: left;
    width: 100%;
  }

  div.table_of_contents_item {
    clear: left;

    width: 100%;

    margin: 4px 0px 0px 0px;

    background-color: #FFFFFF;

    color: #000000;
    text-align: left;
  }

  div.table_of_contents_item a {
    margin: 6px 0px 0px 6px;
  }

  div.content_section {
    margin: 3px 3px 3px 3px;

    background-color: #FFFFFF;

    text-align: left;
  }

  div.content_section_text {
    padding: 4px 8px 4px 8px;

    color: #000000;
    font-size: 100%;
  }

  div.content_section_text pre {
    margin: 8px 0px 8px 0px;
    padding: 8px 8px 8px 8px;

    border-width: 1px;
    border-style: dotted;
    border-color: #000000;

    background-color: #F5F6F7;

    font-style: italic;
  }

  div.content_section_text p {
    margin-bottom: 6px;
  }

  div.content_section_text ul, div.content_section_text li {
    padding: 4px 8px 4px 16px;
  }

  div.section_header {
    padding: 3px 6px 3px 6px;

    background-color: #8E9CB2;

    color: #FFFFFF;
    font-weight: bold;
    font-size: 112%;
    text-align: left;
    width: 100%;
  }

  div.section_header_red {
    background-color: #CD214F;
  }

  div.section_header_grey {
    background-color: #9F9386;
    width: 100%;
  }

  .floating_element {
    position: relative;
    float: left;
#    width: 100%;
  }

  div.table_of_contents_item a,
  div.content_section_text a {
    text-decoration: none;
    font-weight: bold;
  }

  div.table_of_contents_item a:link,
  div.table_of_contents_item a:visited,
  div.table_of_contents_item a:active {
    color: #000000;
  }

  div.table_of_contents_item a:hover {
    background-color: #000000;

    color: #FFFFFF;
  }

  div.content_section_text a:link,
  div.content_section_text a:visited,
   div.content_section_text a:active {
    background-color: #DCDFE6;

    color: #000000;
    width: 80%;
  }

  div.content_section_text a:hover {
    background-color: #000000;

    color: #DCDFE6;
  }


  div.validator {
  }

   .c {
    border: 1px solid #333; /* Рамка */
    display: inline-block;
    padding: 5px 15px; /* Поля */
    text-decoration: none; /* Убираем подчёркивание */
    color: #000; /* Цвет текста */
    width: 75%
  }
   .c:hover {
    box-shadow: 0 0 5px rgba(0,0,0,0.3); /* Тень */
    background: linear-gradient(to bottom, #fcfff4, #0000ce); /* Градиент */
    color: #a00;
   }


button.new {
   background: -moz-linear-gradient(#D0ECF4, #5BC9E1, #D0ECF4);
   background: -webkit-gradient(linear, 0 0, 0  100%, from(#D0ECF4), to(#D0ECF4), color-stop(0.5, #5BC9E1));
   filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#00BBD6', endColorstr='#EBFFFF');
   padding: 3px 7px;
   color: #333;
   -moz-border-radius: 5px;
   -webkit-border-radius: 5px;
   border-radius: 5px;
   border: 1px solid #666;
  }


.newbutton {
  border-radius: 5px;
  background: linear-gradient(#D0ECF4, #5BC9E1, #D0ECF4);
  transition: 0.1s;
  text-shadow: 0 -1px 0 #D3D3D3;
  color: black;
}

.newbutton:hover {
  background: linear-gradient(#2A9AE0, #D0ECF4);
  transition: 0.1s;
}

.newbutton:active {
  background: linear-gradient(#227EB7, #D0ECF4);
  border: 2px inset #f0f0f0;
}

/* РАЗДЕЛЕНИЕ */
.button {
  text-decoration: none;
  color: white;
  padding: 10px;
  text-transform: uppercase;
  display: inline-block;
  text-shadow: -2px 2px 0 rgba(0, 0, 0, 0.2);
  font-weight: bold;
  padding-right: 50px;
  margin: 10px;
  -moz-transition: all 0.1s linear;
  -o-transition: all 0.1s linear;
  -webkit-transition: all 0.1s linear;
  transition: all 0.1s linear;
  -moz-transform: translateZ(0);
  -ms-transform: translateZ(0);
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  /*
  Kinda replicates keyline but looks dumb.
  @include filter(
    drop-shadow(0 1px 0 rgba(blue, 0.2))
    drop-shadow(0 -1px 0 rgba(blue, 0.2))
  );
  */
}

.button.blue {
  background: -moz-linear-gradient(top, #a2d3e9, #7abedf);
  background: -webkit-linear-gradient(top, #a2d3e9, #7abedf);
  background: linear-gradient(to bottom, #a2d3e9, #7abedf);
  box-shadow: -1px 0px 1px #6fadcb, 0px 1px 1px #54809d, -2px 1px 1px #6fadcb, -1px 2px 1px #54809d, -3px 2px 1px #6fadcb, -2px 3px 1px #54809d, -4px 3px 1px #6fadcb, -3px 4px 1px #54809d, -5px 4px 1px #6fadcb, -4px 5px 1px #54809d, -6px 5px 1px #6fadcb, -6px 7px 0 rgba(0, 0, 0, 0.05), -5px 8px 0 rgba(0, 0, 0, 0.05), -3px 9px 0 rgba(0, 0, 0, 0.04), -2px 10px 0 rgba(0, 0, 0, 0.04), -1px 11px 0 rgba(0, 0, 0, 0.03), 0px 12px 0 rgba(0, 0, 0, 0.03), 1px 13px 0 rgba(0, 0, 0, 0.02), 2px 14px 0 rgba(0, 0, 0, 0.02), 3px 15px 0 rgba(0, 0, 0, 0.01), 4px 16px 0 rgba(0, 0, 0, 0.01), 5px 17px 0 rgba(0, 0, 0, 0.01), 6px 18px 0 rgba(0, 0, 0, 0.01), inset 0 4px 5px -2px rgba(255, 255, 255, 0.5), inset 0 1px 0 0 rgba(0, 0, 0, 0.3);
}

.button.yellow {
  background: -moz-linear-gradient(top, #f2d851, #ecc92b);
  background: -webkit-linear-gradient(top, #f2d851, #ecc92b);
  background: linear-gradient(to bottom, #f2d851, #ecc92b);
  color: black;
  text-shadow: -2px 2px 0 rgba(255, 255, 255, 0.3);
  box-shadow: -1px 0px 1px #d9b826, 0px 1px 1px #b1961d, -2px 1px 1px #d9b826, -1px 2px 1px #b1961d, -3px 2px 1px #d9b826, -2px 3px 1px #b1961d, -4px 3px 1px #d9b826, -3px 4px 1px #b1961d, -5px 4px 1px #d9b826, -4px 5px 1px #b1961d, -6px 5px 1px #d9b826, -6px 7px 0 rgba(0, 0, 0, 0.05), -5px 8px 0 rgba(0, 0, 0, 0.05), -3px 9px 0 rgba(0, 0, 0, 0.04), -2px 10px 0 rgba(0, 0, 0, 0.04), -1px 11px 0 rgba(0, 0, 0, 0.03), 0px 12px 0 rgba(0, 0, 0, 0.03), 1px 13px 0 rgba(0, 0, 0, 0.02), 2px 14px 0 rgba(0, 0, 0, 0.02), 3px 15px 0 rgba(0, 0, 0, 0.01), 4px 16px 0 rgba(0, 0, 0, 0.01), 5px 17px 0 rgba(0, 0, 0, 0.01), 6px 18px 0 rgba(0, 0, 0, 0.01), inset 0 4px 5px -2px rgba(255, 255, 255, 0.5), inset 0 1px 0 0 rgba(0, 0, 0, 0.3);
  width: 300px;
}

.button.yellow:after,
.button.yellow:before {
  background: black;
}

.button.yellow:after {
  -webkit-filter: drop-shadow(-2px 0 0 rgba(255, 255, 255, 0.4));
  filter: drop-shadow(-2px 0 0 rgba(255, 255, 255, 0.4));
}

.button.yellow:before {
  -webkit-filter: drop-shadow(0 -2px 0 rgba(255, 255, 255, 0.35));
  filter: drop-shadow(0 -2px 0 rgba(255, 255, 255, 0.35));
}

.button.yellow .arrow {
  -webkit-filter: drop-shadow(-2px 0 0 rgba(255, 255, 255, 0.4));
  filter: drop-shadow(-2px 0 0 rgba(255, 255, 255, 0.4));
}

.button:active {
  box-shadow: none;
  -moz-transform: translate3d(-6px, 6px, 0);
  -ms-transform: translate3d(-6px, 6px, 0);
  -webkit-transform: translate3d(-6px, 6px, 0);
  transform: translate3d(-6px, 6px, 0);
}

.button .arrow {
  -webkit-filter: drop-shadow(-2px 0 0 rgba(0, 0, 0, 0.2));
  filter: drop-shadow(-2px 0 0 rgba(0, 0, 0, 0.2));
}

.button:after {
  -webkit-filter: drop-shadow(-2px 0 0 rgba(0, 0, 0, 0.2));
  filter: drop-shadow(-2px 0 0 rgba(0, 0, 0, 0.2));
}

.button:after,
.button:before {
  position: absolute;
  content: " ";
  right: 15px;
  top: 14px;
  width: 6px;
  height: 18px;
  background: white;
  -moz-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
  display: block;
  z-index: 2;
}

.button:before {
  height: 14px;
  top: 26px;
  right: 16px;
  z-index: 3;
  -moz-transform: rotate(-137deg);
  -ms-transform: rotate(-137deg);
  -webkit-transform: rotate(-137deg);
  transform: rotate(-137deg);
  -webkit-filter: drop-shadow(0 -2px 0 rgba(0, 0, 0, 0.15));
  filter: drop-shadow(0 -2px 0 rgba(0, 0, 0, 0.15));
}

body {
  padding: 50px;
}

/* РАЗДЕЛЕНИЕ */

.korpus>div,
.korpus>input {
  display: none;
}

.korpus label {
  padding: 5px;
  border: 1px solid #aaa;
  line-height: 28px;
  cursor: pointer;
  position: relative;
  bottom: 1px;
  background: #fff;
}

.korpus input[type="radio"]:checked+label {
  border-bottom: 2px solid #fff;
}

.korpus>input:nth-of-type(1):checked~div:nth-of-type(1),
.korpus>input:nth-of-type(2):checked~div:nth-of-type(2),
.korpus>input:nth-of-type(3):checked~div:nth-of-type(3) {
  display: block;
  padding: 5px;
  border: 1px solid #aaa;
}

.korpus {
  font-family: Calibri;
}