Sample.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;

}
body,html{
    overflow-x: hidden;
}
header{
    width: 100vw;
    height: 100vh;
    background: url(img/header-bg.png);
    background-position: bottom;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
}
a{
    text-decoration: none;
    color: whitesmoke;
}   
.haeder-content{
    margin-bottom: 150px;
    color: whitesmoke;
    text-align: center;
    font-family: Arial, Helvetica, sans-serif;
    
}
.haeder-content h2{
    font-size: 4vmin;
}
.Active{
    color: #fc036b;
    text-decoration: underline;
    font-weight: bold;

}
.line{
    width: 150px;
    height: 4px;
    background-color: #fc036b;
    margin: 10px auto;
    border-radius: 5px;
}
.haeder-content h1{
    font-size: 6vmin;
    margin-top: 50px;
    margin-bottom: 30px;
}
.Learn{
    padding: 8px 15px;
    background-color: #fc036b;
    border-radius: 30px;
    color: whitesmoke;
    font-family: Arial, Helvetica, sans-serif;
    
}

ul{
    list-style: none;
    
}
.Navbar{
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    width: 100%;
    justify-content: space-between;
    padding: 20px;
    color: whitesmoke;
}
.Nav-links{
    display: flex;
    align-items: center;

}
.logo{
    font-family: Arial, Helvetica, sans-serif;
}

.Nav-links li{
    margin: 0 30px;
}
.Learn:hover{
    background-color: rgb(251, 237, 246);
    color: #fc036b;
    
}
.menu-btn{
    position: absolute;
    top: 30px;
    right: 30px;
    width: 35px;
    cursor: pointer;
    display: none;
}
li{
font-family: Arial, Helvetica, sans-serif;
}

section{
    margin: 80px auto;
    width: 80%;
}
.title{
    text-align: center;
    font-size: 4vmin;
    font-family: Arial, Helvetica, sans-serif;
    color: #8399d6;
}
.row{
    display: flex;
    align-items: center;
    width: 102%;
    justify-content: space-between;
    
}
.row .column{
    display: flex;
    flex-direction: column;
    align-items: center;
}
.events .row{
    margin-top: 50px;
}
.row .column .img1{
    border-radius: 15px;
  
}

h4{
    font-size: 3vmin;
    color: #3756ac;
    font-family: Arial, Helvetica, sans-serif;
    margin:  20px auto;
}
p{
    color: #9b9b9b;
    padding: 0px 40px;
    font-family: Arial, Helvetica, sans-serif;
}
.events .Learn{
    margin-top: 30px;
}
.explore{
    width: 100%;
    height: 100vh;
    background: url(img/bg2.png);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    align-items: center;
    display: flex;
}

.explore-content{
    width: 50%;
    padding: 50px;
    color: whitesmoke;
    display: flex;
    align-items: center;
    flex-direction: column;
}
.explore-content h1{
    font-size: 6vmin;
    font-family: Arial, Helvetica, sans-serif;
}
.explore-content p{
    margin-left: 43px;
    color: #9b9b9b;
    font-family: Arial, Helvetica, sans-serif;
}
.explore-content .line{
    margin-bottom: 50px;
}
.explore-content .Learn{
    margin: 40px auto;
    

}
.column-content{
    width:40%;
}
.column-image{
    width: 60%;
}
.tours .image-gallery{
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    align-items: center;
}
.image-gallery img{
    min-width:300px;
    margin: 10px;
    border-radius: 15px;
}
.column-content h1{
    font-size: 7vmin;
    font-family: Arial, Helvetica, sans-serif;
    color: #8399d6;
    
}
.column-content .line{
    margin-left: -1px;
}
.column-content p{
    font-family: Arial, Helvetica, sans-serif;
    padding: 0;
    margin: 30px auto;
   
}
.column-content .Learn{
    margin-left: -1;
}
.footer{
    width: 100%;
    min-height: 100px;
    background-color: #484872;
    padding: 20px 80px;
    margin: 0;
    text-align: center;
}
.footer p{
    margin: 20px auto;
    padding: 20px auto;
    font-size: 2vmin;
}

@media only screen and (max-width:850px) {
    .menu-btn{
        display: block;
    }
    
    .Navbar{
        padding: 0;
    }
    .logo{
        position: absolute;
        top: 30px;
        left: 30px;
    }
    .Nav-links{
        height: 100vh;
        flex-direction: column;
        width: 100%;
        justify-content: center;
        background-color: #48567d;
        margin-top: -900px;
        transition: .6s;

    }
    .mobile-menu{
        margin-top: -10px;
        border-bottom-left-radius: 100px;
        border-bottom-right-radius: 100px;
    }
    .Nav-links li{
        margin: 30px  auto;
        font-family: Arial, Helvetica, sans-serif;
    }
    .row{
        flex-direction: column;
    }
    .row .column{
        margin: 20px auto;
    }
    .column img{
        max-width: 100%;
    }
    .explore-content{
        width: 100%;
    }
    .tours .column-content{
        width: 100%;
    }
    .tours .image-gallery{
        justify-items: center;
        align-items: center;
        
    }
    .image-gallery img{
        width: 100%;
        margin: 10px -50px;
    }
    .column-content .Learn{
        margin: 30px 110px;
        margin-bottom: -20px;
        
    }
    .column-image{
        margin: 20px auto;
    }
    .footer{
        padding: 10px;
    }
}
img{
    transition: .3s ease;
}
img:hover{
    transform: scale(1.1);
}