styles.css

header {
    background: linear-gradient(45deg, #583697, #eb6749);
    position: relative;
    color: #fff;
    font-size: 24px;
    font-family: 'Gluten';
    padding: 10px;
    border: 100%;
    opacity: 0.9;
    
}

body {
    font-size: 16px;
  }
  
  @media (max-width: 768px) {
    body {
      font-size: 14px;
    }
  }
         
        header a {
            display: inline-block; 
            border-radius: -10px; 
            text-decoration: none; 
            margin-top: -1.5%;
            margin-bottom: 5.5%;
            height: 10px;

        }

        header img.BackLogo {
            vertical-align: middle; 
            margin-right: 5px; 
        }

  body {
    background-image: url('https://freevector-images.s3.amazonaws.com/uploads/vector/preview/40654/FreevectorSpace-BackgroundAS0621_generated.jpg');
    background-size: cover; 
    font-family: Arial, sans-serif;
    font-size: 16px;
    background-color: rgb(236, 245, 246);
    margin: 0;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin-right: 10px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}

main {
    padding: 20px;
}

.about, .services {
    margin-bottom: 30px;
}

footer {
    background: linear-gradient(45deg, #583697, #eb6749);
    color: #fff;
    text-align: center;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
}

a {
    font-size: 30px; 
    color: #FFFFFF;

}

.dropdown {
    position: relative;
    display: inline-block;
    margin-right: 20px; 
}

.dropbtn {
    background-color: transparent;
    color: #fff;
    border: none;
    cursor: pointer;
    padding: 10px 15px;
    font-size: 16px;
}


.dropdown-content {
    display: none;
    position: absolute;
    background-color: #fff; 
    min-width: 45px; 
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    text-align: left;
    left: -10px; 
}


.dropdown.home {
    left: -20px; 
}


.dropdown.login {
    left: -20px; 
}

.dropdown-content a {
    color: #333; 
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}

.dropdown-content a:hover {
    background-color: #f1f1f1; 
}

.dropdown:hover .dropdown-content {
    display: block;
}
  .container {
    display: flex;
    justify-content: center;
    align-items: center; 
    height: 60vh; 
}

.about, .services {
    border: 2px solid #ccc;
    padding: 10px;
    max-width: 600px;
    font-family: Georgia, 'Times New Roman', Times, serif;
    font-size: 20px;
    color: whitesmoke;
    background: rgba(27, 26, 26, 0.431);
    margin-top: 0px;
}

.about {
    margin-right: 20px;
}

.service {
    margin-left: 100px;
    margin-right: 20px;
}

.Images {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;

}


.large-textbox {
    margin-top: 2%;
    margin-bottom: 1.5%;
    width: 450px; 
    height: 125px; 
}

.logo {
    opacity: 0; 
    transition: opacity 0.5s ease-in-out; 
}

.fade-in {
    opacity: 1; 
    transform: translateY(0); 
}

.scroll-item {
    height: 400px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    
}

.start-button {
    display: inline-block;
    padding: 55px 120px;
    font-size: 40px;
    font-weight: bold;
    text-align: center;
    text-decoration: none;

    background: linear-gradient(45deg, #583697, #eb6749);
    color: #FFFFFF; 
    border: none;
    border-radius: 20px;
    cursor: pointer;
    margin-bottom: 0px;
    margin-top: 60px;
}

.chemistry-button {
    padding: 20px 40px; 
    width: 150px; 
    font-size: 20px;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    
    color: #FFFFFF;
    border-radius: 10px;
    cursor: pointer;
    margin: 0 auto; 
    margin-bottom: 20px;
    
    display: flex;
    justify-content: center;
    align-items: center;
}

.mentor-but,
.mentee-but {
    padding: 20px 40px; 
    width: 150px; 
    font-size: 20px;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    background: linear-gradient(45deg, #583697, #eb6749);
    color: #FFFFFF;
    border-radius: 10px;
    cursor: pointer;
    margin: 0 auto; 
    margin-bottom: 20px;
    
    display: flex;
    justify-content: center;
    align-items: center;
}

.return-to {
    font-size: 40px;
    font-weight: bold;
    color: #FFFFFF;
}

.hidden {
    display: none;
  }
  
  label {
    margin-bottom: 10px;
    display: block;
  }