.header-block {
    /*display: flex;*/
    /*margin: 0 auto;*/
    /*max-width: var(--fix-width);*/
    /*align-items: center;*/
    /*min-height: 80px;*/
    /*border: 1px solid red;*/
}
.header-block > a > img {
    /*margin: 0 auto;*/

    /*height: auto;*/
    /*display: flex;*/
    /*align-content: center;*/
}
.header-block-logo {
    /*display: flex;*/
    /*flex-basis: 35%;*/
    /*margin: 0 0;*/
    /*border: 1px solid green;*/
}
.header-block-logo > img {
    /*margin-left: var(--left);*/
}
.header-block-menu {
    /*display: flex;*/
    /*margin-top: 12px;*/
    /*justify-content: right;*/
    /*border: 1px solid green;*/
}
.header-block-menu a {
    /*color: var(--color-red);*/
    /*margin: 20px 10px;*/
    /*font-size: 18px;*/
    /*line-height: 20px;*/
    /*font-weight: 500;*/
    /*border: 1px solid blue;*/
}

.menu-main-login {
    /*display: flex;*/
}
.menu-main-login img {
    /*width: 27px;*/
    /*height: 36px;*/
    /*margin-right: 20px;*/
}

.container-grid {
    width: 100%;
    display: grid;
    grid-template-columns: 219px auto;
    gap: 30px;
    margin-bottom: 80px;
    /*border: 1px solid blue;*/
}

.aside > ul {
    list-style: none;
    margin-top: 0;
}
.aside > ul > li {
    padding: 10px 0;
    border-bottom: 1px solid var(--hr);
}
.aside > ul > li > a {
    color: var(--color-blue);
    line-height: 20px;
    font-size: 14px;
    font-weight: 500;
}

/*******  *******/
.border-green {
    border: 1px solid green;
}

.container-matrix {
      display: grid;
      /*gap: 20px;*/
      height: 100vh;

      grid-template-columns: repeat(12, 1fr);
      grid-template-rows: repeat(12, 1fr);
  }

.content-img {
    width: 100%;
    height: 100%;
    /*border: 1px solid red;*/
}
.content-img-two {
    margin-top: -45px;
}

.link-matrix-col > p > a {
    color: var(--color-blue);
    line-height: 18px;
    font-size: 18px;
    font-weight: 500;
}
.link-matrix {
    display: flex;
    flex-direction: column;
    max-width: 1009px;
    width: 100%;
    height: auto;
    position: absolute;
    top: 0;
    left: 0;
    /*border: 1px solid blue;*/
}
.link-matrix-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 220px;
    /*border: 1px solid green;*/
}
.link-matrix-col {
    display: flex;
    justify-content: left;
    flex-basis: 33%;
    padding-left: 6%;
    margin-top: -3%;
    /*border: 1px solid red;*/
}
.link-matrix-col > p {
    max-width: 85%;
}

/*.presentation > h1 {*/
    /*font-size: 40px;*/
    /*font-weight: 500;*/
    /*margin-top: 10px;*/
/*}*/
/*.presentation > h2 {*/
    /*!*margin-top: 10px !important;*!*/
    /*margin-top: 20px !important;*/
    /*margin-bottom: 20px !important;*/
    /*font-weight: bold;*/
/*}*/
/*.presentation-title-first {*/
    /*margin-top: 20px !important;*/
/*}*/

/*.shadow {*/
    /*-webkit-box-shadow: 0px 32px 55px 15px rgba(34, 60, 80, 0.28) inset;*/
    /*-moz-box-shadow: 0px 32px 55px 15px rgba(34, 60, 80, 0.28) inset;*/
    /*box-shadow: 0px 32px 55px 15px rgba(34, 60, 80, 0.28) inset;*/
/*}*/

/*.info-title {*/
    /*margin-top: 20px !important;*/
    /*color: var(--color-blue);*/
/*}*/

/*.block-img {*/
    /*margin: 10px 0;*/
/*}*/

@media (max-width: 768px) {
    .header {
        height: 100px !important;
    }

    .header-block-menu_ {
        display: none !important;
    }

    .logo-img {
        margin-left: -70px !important;
        width: 300px;
    }

    /*.header-block-logo > a > img {*/
        /*width: 80%;*/
    /*}*/

    /*.presentation > h2 {*/
        /*font-size: 20px;*/
    /*}*/

    /*h3 {*/
        /*font-size: 20px;*/
    /*}*/
}

@media (max-width: 1024px) {
    .header-block {
        flex-direction: column;
    }

    .header-block-menu_ {
        justify-content: center !important;
    }
}


h3 {
    /*font-weight: bold;*/
}

.header-logo__menu {
 display: none;
 margin-top: 120px;
 padding-bottom: 20px;
 background: var(--color-blue) !important;
}

.header-logo__menu > ul {
    margin-left: 20px;
    list-style: none;
}

.header-logo__menu > ul > li {
    margin-bottom: 10px;
    line-height: 16px;
}

.border {
    border-bottom: 1px solid white;
    padding-bottom: 10px;
    width: 30%;
}

.header-logo__menu > ul > li > a {
    color: white;
    font-size: 17px;
}

.fa-close {
    position: absolute;
    right: 60px;
    color: white;
    font-size: 36px;
}

.link-auth {
    display: flex;
    align-items: center;
}

.cabinet {
    margin-left: 10px;
}

/* -- */

.content > h1, .presentation > h2, .presentation > h3, .presentation > h4, .presentation > h5 {
    font-weight: bold;
    margin-top: 10px;
    margin-bottom: 10px;
}

.content > h1 {
    font-size: 32px;

}

.presentation > h2, h2 {
    font-size: 27px;
    font-weight: bold;
}

.presentation > h3, h3 {
    font-size: 20px;
    font-weight: bold;
    color: var(--color-blue);
}

p {
    margin: 10px 0;
    font-size: 16px;
    line-height: 22px;
}

ol > li > a, p > a {
    color: var(--color-blue);
}

ol > li > a:hover {
    font-weight: 500;
}

ol > li > a:focus {
.aside {

}
}

p > a:hover {
    font-weight: 500;
    font-size: 16px;
}

.video {
    /*max-width: 611px;*/
}

ol {
    margin-left: 30px;
}

ol > li {
    font-size: 14px;
    line-height: 20px;
    margin-bottom: 10px;
}

ol > li > a {
    display: inline-block;
}

.fa-play {
    font-size: 75%;
}

h2 {
    font-size: 116%;
    font-weight: 500;
}

.breadcrumbs {
    padding: 0.5rem 1rem;
    margin-bottom: 30px;
    background-color: #f8f9fa;
}

.breadcrumbs > ul {
    display: flex;
    list-style: none;
}

.breadcrumbs > ul > li {
    /*display: flex;*/
    /*justify-content: center;*/
    /*align-items: center;*/
}

.breadcrumbs > ul > li > a {
    color: var(--color-blue);
}

.breadcrumb-item {
    font-size: 16px;
    font-weight: 500;
}

.breadcrumb-item:nth-child(2) {
    margin-bottom: -3px;
    color: var(--color-red) !important;
}

.active, .color-red {
    color: red !important;
}

.rutube-video a {
    position: absolute;
    left: 3%;
    top: 7%;
    padding: 10px 20px;
    border: 1px solid var(--color-blue);
    background: #fff;
    color: var(--color-blue);
}

.rutube-video-title {
    /*position: absolute;*/
    /*left: 30px;*/
    /*top: 10px;*/
    /*padding: 10px 0px;*/
    /*background: transparent;*/
    /*width: 720px;*/
    /*color: var(--color-blue);*/
}

.rutube-video img {
    border: 0px solid #000000;
    width: 100%;
    max-width: 720px;
}

h4 {
    font-weight: bold;
}

span:focus ~ .to-be-changed {
    color: red;
}

/***** .block-view *****/

.block-view {
    border: 1px solid var(--color-blue);
    padding: 1rem;
    border-radius: 0rem;
    margin-bottom: 1rem;
    background-image: linear-gradient(to top, #f0fcff, #ffffff);
}

.block-view > h2 {
    font-size: 0.7rem;
    line-height: 18px;
    color: var(--color-blue);
    font-weight: 500;
}

.block-view > p > a {
    border: 1px solid var(--color-blue);
    padding: 0.5rem;
    background-color: white;
}

.block-view > p > a:hover {
    border: 1px solid var(--color-red);
    color: var(--color-red);
    font-weight: normal !important;
}

/***** end .block-view *****/

