*{
    padding: 0;
    margin: 0;
    font-family: 'Comfortaa', sans-serif;
    color:#FFFFFF;
    letter-spacing: 3px;
    line-height: 25px;
}
a{
    text-decoration: none;
}
a:hover{
    font-size:18px;
    transition: 0.4s;
    box-shadow: 0 0 40px #287233;
    border: 2px solid #FFFFFF;
    border-radius: 33px;
    padding:5px;
}
.btn-up {
    position: fixed;
    right: 50px;
    bottom: 40px;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
  }
.btn-up::before {
    content: "";
    width: 100px;
    height: 100px;
    background: transparent no-repeat center center;
    background-size: 100% 100%;
    background-image: url("../img/icons/up.png");
  }
.btn-up_hide {
    display: none;
  }
 @media (hover: hover) and (pointer: fine) {
    .btn-up:hover {
      transition: 0.4s;
    box-shadow: 0 0 40px #ffffff;
    border-radius: 100%;
    }
  }
.upHeader{
    display: flex;
    justify-content: center;
    gap:60px;
    padding-top:20px;
}
.navigation{
    display: flex;
    justify-content: center;
    padding-top:20px;
    font-size: 17px;
    gap:60px;
    text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.45);
}
.mainHeader{
    margin-left: auto;
    margin-right: auto;
    padding-top: 10px;
    padding-bottom: 10px;
}
.bordermain{
    width:1500px;
    border-bottom: 2px solid #ffffff;
    border-top: 2px solid #ffffff;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 50px;
    margin-top: 30px;
    background-color: rgba(180, 179, 179, 0.075);
}
.titleOfTheSite{
    text-align: center;
    margin-top:180px;
    margin-bottom: 120px;
    font-size: 65px;
    font-weight: 1000;
    text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.45);
}
.MainDescription{
    text-align: center;
    width:1100px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 100px;
}
.titleOfTheSection{
    text-align: center;
    font-size: 30px;
    padding-bottom: 60px;
    padding-top:50px;
    font-weight: 700;
    text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.45);
}
.descriptionSection{
    text-align: center;
    padding-top: 10px;
    padding-bottom: 50px;
    font-size: 15px;
}
.mainContentOfLevels{
    width:1600px;
    margin-left: auto;
    margin-right: auto;
    padding-bottom: 70px;
}
.levels{
    background-color: #287233;
}
.aboutProject{
    text-align: center;
    margin-bottom: 30px;
    padding-top: 10px;
}
.levelsOfPollution{
    display: flex;
    justify-content: space-between;
}
.sliderItem{
    position: relative;
}
.oneLevelCard{
    text-align: center;
    width:300px;
    border-radius: 33px;
    border: 2px solid #ffffff;
    height: 330px;
    position: relative;
    background: rgba(217, 217, 217, 0.10);
}
.oneLevelCard img{
    padding-top: 20px;
}
.deacriptionOfLevel{
    padding-left: 15px;
    padding-right: 15px;
    text-align: justify;
    font-size: 15px;
    padding-bottom: 20px;
}
.titleOfLevel{
    font-size: 18px;
    font-weight: 800;
    padding-top: 20px;
    padding-bottom: 25px;
}
.number{
    font-size: 11px;
    position: absolute;
    bottom: 10px;
    left:150px;
}
.center{
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: rgba(54, 54, 54, 0.5) ;
    border-radius: 30px;
}
.center .titleOfArea{
    padding-bottom: 15px;
}
.titleOfArea {
    font-weight: 600;
    text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.45);
}
.front,.back{
    width: 100%;
    height: 100%;  
}
.chooseArea{
    background: #4C9141;
}
.thirdtitle{
    padding-top: 60px;
}
.thirddescription{
    padding-bottom: 70px;
}
.map{
    background-color: #287233;
    padding-bottom: 80px;
}
.mapWrapper{
    border: 2px solid #fff;
    width: 671px;
    padding: 5px;
    margin-left: auto;
    margin-right: auto;
}
.mainFooter{
    display: flex;
    width:1800px;
    margin-left: auto;
    margin-right: auto;
    font-size: 15px;
    padding-top:40px;
    
}
.footerLeftPhoto{
    width:330px;
    height:230px;
    border: 2px solid #FFFFFF;
    box-shadow: 0 0 30px #287233;
    margin-top:100px;
}
.gratitude{
    text-align: center;
    width:1100px;
    margin-left: auto;
    margin-right: auto;
    border-top:1px solid #FFFFFF;
    border-bottom:1px solid #FFFFFF;
    background-color: rgba(180, 179, 179, 0.08);
    text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.45);
}
.gratitude p{
    padding-bottom: 65px;
}
.conclusion{
    padding-top:65px;
}
.footerRightPhoto{
    border-radius: 100%;
    width:300px;
    height: 300px;
    border: 2px solid #FFFFFF;
    margin-top:100px;
    box-shadow: 0 0 30px #287233;
}
.copyright{
    text-align: center;
    padding-top:25px;
    padding-bottom:25px;
    font-size: 11px;
}
header{
    background-image: url(../img/photo/header.jpg);
    background-size:cover;
}
footer{
    background-image: url(../img/photo/footer.jpg);
    background-size:cover;
}