.hr_to_right {
	margin: 20px 0;
	padding: 0;
	height: 6px;
	border: none;
	background: linear-gradient(45deg, #2695fc, #fff);
}
.hr_to_left {
	margin: 20px 0;
	padding: 0;
	height: 6px;
	border: none;
	background: linear-gradient(315deg, #2695fc, #fff);
}
.button_2:hover, #main_article>.left:hover, #main_article>.right:hover, .button:hover,#main_article > div:nth-child(3) > span:hover
{
  cursor:pointer;
}
h1
{
  display:none;
}
h2
{
  color: #fff;
  font-family: 'SansationBold';
  font-size: 6vw;
  text-align: center;
}
#main_article
{
  background-attachment: fixed;
  background-image: url(https://nd-systems.ru/images/header_001.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  height: calc(100vh + 155px);
  min-height: 1000px;
  padding-top: 155px;
  width:100%
}
#main_article > div.banner, #main_article > div.banner > div
{
  background-color: rgba(0, 0, 0, 0.4);
}
#main_article>div>p
{
  color: #fff;
  font-size: 24px;
  margin-top: 35px;
  text-align: center;
}
.button
{
  border: 1px solid #fff;
  color:#fff;
  font-size:36px;
  left: calc(50% - 135px);
  margin-top: -30px;
  padding: 25px;
  position: absolute;
  text-align: center;
  top: 100%;
  line-height: 16px;
  width: 220px;
}
.button:hover
{
  color: #ccc;
}
.banner
{
  border-top: 1px solid #fff;
  border-right: 1px solid #fff;
  border-left: 1px solid #fff;
  min-height: 230px;
  margin: 0 auto;
  padding: 40px;
  position: relative;
  text-shadow: 0 0 1px #000;
  width: 50%;
}
.banner:before, .banner:after
{
  content: "";
  display: block;
  position: absolute;
  top: 100%;
  width: calc(50% - 160px);
  border-bottom: 1px solid #fff;
}
.banner:before
{
  left: -1px;
}
.banner:after
{
  right: -1px;
}
#main_article > div:nth-child(3)
{
  margin: 77px;
  text-align: center;
}
#main_article > div:nth-child(3) > span
{
  color: #2695fc;
  font-size: 75px;
  padding: 0 15px;
}
#main_article > div:nth-child(3) > span.active, #main_article > div:nth-child(3) > span:hover
{
  color: red;
}
#About
{
  border-top: 2px solid #6d678a;
  font-size: 20px;
  margin-top: -300px;
  min-height: 800px;
  width: 100%;
}
#About>div
{
  display: block;
}
#About > div:nth-child(1)
{
  background-image: url(https://nd-systems.ru/images/aboyt.png);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  height: 800px;
  width:calc(50%);
}
#About > div.right:nth-child(2)
{
  background-color: #fff;
  height: calc(100% - 45px);
  min-height: 755px;
  padding-top: 40px;
  padding-bottom: 5px;
  padding-left: 40px;
  padding-right: 10px;
  width:calc(50% - 50px);
}
div.right:nth-child(2) h3
{
  color: #2a2a2a;
  font-size: 50px;
}
div.right:nth-child(2) > p
{
  margin: 15px 0;
}
div.right:nth-child(2) > ul > li
{
  list-style-type: none;
}
div.right:nth-child(2) > ul > li > span
{
  display: block;
  left: 40px;
  margin-top: 15px;
  margin-bottom: 15px;
  position: relative;
  width: calc(100% - 50px);
}
div.right:nth-child(2) > ul > li:before
{
  content: "- "; /* Добавляем в качестве маркера символ */
}
.button_2
{
  background-color: #1f79cc;
  border-radius: 30px;
  color: #fff;
  font-family: 'SansationBold';
  height: 25px;
  margin-left: 45px;
  margin-top: 100px;
  padding: 20px;
  text-align: center;
  width: 250px;
}
#presentation
{}
#presentation > div:first-child
{
  border-top: solid 2px #6d678a;
  background-color: #3a3a3a;
  height: 170px;
  padding-top: 105px;
}
#presentation > div > hr
{
  background-color:#fff;
  height: 7px;
  width: calc(50% - 300px);
  
}
#presentation > div:nth-child(1) > hr:nth-child(1)
{
  top: 55px;
  position: relative;
  left: 55px;
}
#presentation > div:nth-child(1) > hr:nth-child(3)
{
  top: -42px;
  position: relative;
  left: calc(50% + 250px);
}
#presentation > div > h2
{
  font-family: 'SansationRegular';
  font-size: 50px;
}
#block
{
  color: #fff;
  width: 100%;
}
#block > div
{
  background-color: #3f3f3f;
  float: left;
  height: 990px;
  text-align: center;
  width: calc(100% / 3);
}
#block > div > img
{
  margin-top: 50px;
  max-width: 250px;
  width: calc(100% - 50px * 2);
}
#block > div:nth-child(2)
{
  background-color: #1f79cc;
}
#block > div > div:nth-child(2)
{
  height: 490px;
  padding: 0 5%;
  width: 90%;
}
#block > div > div > h3
{
  color: #fff;
  font-family: "SansationBold";
  font-size: 200%;
  margin-bottom: 50px;
  margin-top: 50px;
}
#block > div > div > p, #block > div > div > ul
{
  font-size: 115%;
  margin-left: 20%;
  margin-top: 15px;
  text-align: left;
}
#block > div > div:nth-child(3)
{
  margin: 70px auto;
  width: 30%;
}
#block > div > div > a
{
  color: #fff;
  background-color: #939393;
  display: block;
  padding: 15px 15px;
  text-decoration: none;
}
#form
{
  background-attachment: fixed;
  background-image: url(https://nd-systems.ru/images/massage.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  padding-left: 130px;
  width: calc(100% - 130px);
}
#form > div
{
  height: 880px;
  width: 100%;
}
#form > div > div
{
  width: 50%;
}
#form > div > div.right
{
  background-color: #fff;
  height: 100%;
}
#form > div > div.left > h3
{
  background-color: #3f3f3f;
  color:#fff;
  display: block;
  font-size: 180%;
  margin: 150px auto 80px;
  padding: 15px 20px;
  text-align: center;
  width: 50%;
}
#form > div > div > p
{
  color: #3f3f3f;
  font-size: 160%;
  margin: 10px auto;
  text-shadow: 0 0 2px #bfebf2;
  width: 80%;
}
#partners
{
  padding-bottom: 70px;
  padding-left: 130px;
  padding-top: 70px;
  width: calc(100% - 130px);
}
#partners
{
  background-color: #d8edff;
  color: #0066a1;
}
#partners > h2
{
  color: #0066a1;
  font-size: 200%;
  margin-bottom: 50px;
}
#partners > div.d-table
{
  width: 100%;
  margin-bottom: 40px;
}
#partners > div > div > div.d-td.tab-img
{
  width: 550px;
}
#partners > div > div > div.d-td.tab-text
{
  padding-left: 25px;
  width: calc(100% - 550px);
}
#partners > div > div > div.d-td.tab-text > h3
{
  font-size: 175%;
  margin-bottom: 15px;
  text-align: center;
}
#partners > div > div > div.d-td.tab-text > h4
{
  font-size: 150%;
  margin:10px; 
}
#partners > div > div > div.d-td.tab-text > p, #partners > div > div > div.d-td.tab-text > ul > li
{
  font-size: 115%;
}
@media (max-width: 1196px) {
  #block > div{
    height: auto;
    width:100%;
  }
  #block > div > div:nth-child(2){
    width:90%;
    height: auto;
  }
  #block > div > div:nth-child(2) > h3, #block > div > div:nth-child(2) > ul > li{
    width: 80%;
  }
  #partners > div.d-table > div.d-tr, #partners > div.d-table > div.d-tr > div.d-td, #partners > div.d-table {
    display: block;
  }
  #partners > div > div > div.d-td.tab-img {
    display: block;
    text-align: center;
    width: 100%;
  }
  #partners > div > div > div.d-td.tab-text {
    display: block;
    padding-left: 0;
    width: 100%;
  }
  #block > div > div > p, #block > div > div > ul{
    width: 75%;
  }
}
@media (max-width: 1126px) {
  #About{
    background-image: url(https://nd-systems.ru/images/aboyt.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
  }
  #About > div.left{
    display: none;
  }
  #About > div.right:nth-child(2){
    background-color: rgb(255, 255, 255, 0.7);
    padding-left: 150px;
    width: calc(100% - 150px);
  }
}
@media (max-width: 1040px) {
  #form{
    height: 170vh;
  }
  #form > div > div {
    width: 100%;
  }
}
@media (max-width: 861px) {
  #contacts > div.left, #contacts > div.right{
    float: none;
  }
}
@media (max-width: 680px) {
  #partners > div > div > div.d-td.tab-img > a > img{
    width: 80%;
  }
  #form > div > div.left > h3 {
    font-size:100%;
  }
}
@media (max-width: 492px) {
  .button_2 {
    width: auto;
  }
}