@import url('https://fonts.googleapis.com/css2?family=Bona+Nova:ital,wght@0,400;0,700;1,400&family=Exo+2:ital,wght@0,200;0,400;0,700;1,200;1,400;1,700&display=swap');

.bona-nova {font-family: 'Bona Nova', serif;}
.exo-2 {font-family: 'Exo 2', sans-serif;}


* {
   margin: 0;
   padding: 0;
   box-sizing: border-box;
}
a {
    text-decoration: none;
  }
  
div, h2, p, figure {
    margin: 0;
    padding: 0;
}
  
  .main {
    margin: 0 auto;
    max-width: 1040px;
    padding: 20px;
  }
  
  .columns {
    display: flex;
  }
  
  .column {
    display: flex;
    flex: 1;
    flex-direction: column;
  }
  
  .main-column {
    flex: 2;
  }
  
  .article {
    color: #2b3033;
    display: flex;
    flex: 1;
    flex-direction: column;
    flex-basis: auto;
    margin: 10px;
  }
  
  .article-image {
    display: block;
    padding-top: 100%;
    position: relative;
    width: 100%;
    height: 100%;
    
  }
  
  .article-image img {
    height: 75%;
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
  }
  
  .article-image.is-3by2 {
    padding-top: 66.6666%;
  }
  
  .article-image.is-16by9 {
    padding-top: 56.25%;
  }
  
  .article-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 20px;
  }
  
  .article-title {
    font-family: 'Exo 2', sans-serif;
    color: #2b3033;
  }
  .article-text {
    font-family: 'Exo 2', sans-serif;
    line-height: 23px;
    text-align: justify;
    color: #2b3033;
  }
  
  .article-info {
    display: flex;
    font-size: 0.85em;
    justify-content: space-between;
    margin-top: 10px;
    color: #404434;
  }
.back {
    margin-top: 100px;
    margin-left: 5px;
}
#up-arrow {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 75px;
    height: 75px;
    background: rgb(255, 255, 255);
    border-radius: 50%;
    background-image: url(../img/line.png);
    background-position: center;
    background-size: cover;
    display: none;
}

body {
    font-size: 19px;
    font-family: 'Exo 2', sans-serif;
    font-weight: 400;
}
.ner {
    position: relative;
    top: 40px;
    margin-left: 190px;
}
.header {
    width: 100%;
    height: 126px;
    background-color: #495257;
    margin-left: auto;
    margin-right: auto;
}
.container {
    position: absolute;
    margin-top: 30px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}
.sys {
    margin-top: 20px;
}
.sys2 {
    margin-bottom: 20px;
}
.row {
    width: 100%;
    height: auto;
}

.res-img {
    max-width: 100%;
    height: auto;
    border: 5px solid #2b3033;
}

.row:after {
    content: '';
    display: block;
    clear: both;
}

.logo {
    width: 5%;
    height: 100px;
    position: absolute;
    left: 0px
}
.containers{
    padding-top: 1px;
}
.contacts {
    position: absolute;
    width: 70%;
    height: 10px;
    color: rgb(39, 138, 42);
    text-align: right;
    font-size: 40px;
    line-height: 50px;
    font-weight: 200;
    padding-top: 0px;
    right: 0px
}

.img-logo {
    height: 92px;
    margin-top: 25px;
    margin-right: 35px;
    padding-left: 10px;
}


.menu-link {
    color: rgb(255, 255, 255);
    text-decoration: none;
    font-size: 20px;
    line-height: 50px;
    padding-left: 20px;
    padding-right: 20px;
    display:inline-block;
    transition: 0.3s
    
}

.menu-link:hover {
    background-color: rgb(39, 138, 42);
}

.w50 {
    float: left;
    width: 50%;
    position: relative;
    padding: 20px;
}

.w-25 {
    float: left;
    width: 25%;
    position: relative;
    padding: 10px;
}

.rezina-img {
    max-width: 100%;
    height: auto;
}
.introtext {
    opacity: 0;
    position: absolute;
    left: 0;
    bottom: 0;
    height: 100px;
    width: 100%;
    background-color: red;
    border-radius: 0 0 10px 10px;
    transition: 1s;
    z-index: -10;
}

.w-25:hover .introtext {
    opacity: 1;
    bottom: -100px;
}

.bg {
    position: relative;
    width: 100%;
    height: 160px;
    background-image: url(../img/1.jpeg);
    background-size: 300px;
    background-position: center;
    transition: 1s;
}

.bg:hover {
    background-size: 600px;
}

.title {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 100px;
    text-align: center;
    line-height: 100px;
    color: white;
    background: linear-gradient(170deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.6965379901960784) 100%);
    font-size: 20px;
    opacity: 0;
    transition: 1s;
}

.bg:hover .title {
    opacity: 1;
}
.black {
    position: absolute;
    width: 300px;
    height: 500px;
    transform: rotate(45deg);
    left: 91px;
    top: 0;
    background-color: white;
}
.index {
    text-align: center;
    padding-bottom: 20px;
    color: #2b3033;
}
.text-index {
    width: 1400px;
    margin: 0 auto;
    line-height: 23px;
    text-align: justify;
    color: #2b3033;
}
.img-index {
    margin-top: 20px;
    text-align: center;
}
.index-img{
    border: 5px solid #2b3033;
}
.text-problems {
    line-height: 21px;
    text-align: justify;
}
.problems {
    margin-bottom: 20px;
    margin-top: 20px;
    margin-right: 700px;
}


.img-ecology {
    width: 328px;
    height: 250px;
    margin-top: 20px;
    margin-bottom: 20px;
    margin-left: 450px;
    border: 5px solid #2b3033;
}
.img-ecology1 {
    width: 480px;
    height: 300px;
    margin-top: 20px;
    margin-left: 390px;
    border: 5px solid #2b3033;
}
.text-problems {
    width: 1400px;
    margin: 0 auto;
    line-height: 21px;
    color: #2b3033;
}
.problems {
    float: left;
    width: 50%;
    margin-bottom: 20px;
    margin-top: 20px;
}
.glav-problems{
    text-align: center;
    padding-bottom: 20px;
}
.img-problems1 {
    width: 300px;
    height: 200px;
    margin-left: 20%;
    border: 5px solid #2b3033;
}
.img-problems2 {
    width: 350px;
    height: 200px;
    margin-left: 150px;
    border: 5px solid #2b3033;
}
.img-problems {
    margin-top: 20px;
}
.solution {
    float: left;
    width: 50%;
}
.gl-problems {
    width: 1400px;
    height: 70px;
    margin-top: 20px;
}
.gl1-problems {
    margin-bottom: 20px;
}
.gl2-problems {
    margin-bottom: 20px;
} 
.problems1 {
    float: left;
    width: 50%;
    margin-top: 20px;
    padding-right: 10px;
}
.problems2 {
    float: left;
    width: 50%;
    margin-top: 20px;
    padding-left: 10px;
    margin-bottom: 63px
}
.gl3-problems {
    margin-bottom: 20px;
}
.problems3 {
    float: left;
    width: 50%;
    height: 167px;
    margin-top: 20px;
    padding-left: 10px;
    margin-bottom: 30px
}
.problems4 {
    float: left;
    width: 50%;
    height: 167px;
    margin-top: 10px;
    padding-left: 10px;
    margin-bottom: 30px
}
.problems6 {
    float: left;
    width: 50%;
    height: 167px;
    margin-top: 10px;
    padding-left: 10px;
    margin-bottom: 63px
}
.gl1-problems {
    margin-bottom: 20px;
}
.gl2-problems {
    margin-bottom: 20px;
} 
.problems7 {
    float: left;
    width: 50%;
    margin-top: 20px;
    padding-right: 10px;
    margin-bottom: 35px;
}
.problems8 {
    float: right;
    width: 50%;
    margin-top: 20px;
    padding-left: 10px;
    margin-bottom: 20px
}
.gl5-problems {
    margin-top: 20px;
}
.gl6-problems {
    margin-top: 20px;
}


.problems10 {
    float: right;
    width: 50%;
    margin-top: 20px;
    padding-left: 10px;
    margin-bottom: 20px
}
.problems12 {
    float: right;
    width: 50%;
    margin-top: 20px;
    padding-left: 10px;
    margin-bottom: 20px
}
.gl5-problems {
    margin-bottom: 20px;
}
.gl4-problems {
    margin-bottom: 20px;
}
.gl6-problems {
    margin-bottom: 20px;
}
.gl8-problems {
    margin-bottom: 20px;
}
.problems9 {
    width: 700px;
    height: 450px;
}
.gl9-problems {
    margin-bottom: 20px;
}
.aft{
    margin-left: auto;
    margin-right: auto;
    border: 5px solid #2b3033;
}
.poip{
    margin-left: 33.3333333333%
}
.aft1{
    margin-left: auto;
    margin-right: auto;
}
.newsdag{
    margin-left: 33.333333333%;
    margin-right: auto;
    width: 30%;
    height: 200px;
}
.newsst{
    margin-left: 33.333333333%;
    margin-right: auto;
    width: 30%;
    height: 275px;
}
.text-author {
    margin-left: 100px;
}
.authorgif {
    height: 300px;
    width: 300px;
}