body {
              font-family: Arial, sans-serif;
              background: #21252e;

                  
              background-attachment: fixed;
              margin: 0;
              padding: 0;
              height: 100vh;
              display: flex;
              flex-direction: column;
              align-items: center;
              justify-content: center;
              min-height: 100vh;
          }
          h1 {
              color: #f2f2f5;
              margin-top: 20px;
              text-align: center;
          }
          form {
              display: flex;
              flex-direction: column;
              align-items: center;
              width: 100%;
              max-width: 400px;
          }
          input[type="text"], button {
              width: 100%;
              margin: 10px 0;
              padding: 10px;
              font-size: 16px;
          }
          input[type="text"] {
              background-color: rgba(255, 255, 255, 0.1);
              border: none;
              border-bottom: 2px solid #f2f2f5;
              color: #fff;
              transition: all 0.3s ease;
          }
          input[type="text"]:focus {
              background-color: rgba(255, 255, 255, 0.2);
              outline: none;
          }
          button {
              border-radius: 5%;
              background-color: #02428b;
              color: #ffffff;
              font-weight: bold;
              transition: all 0.3s ease;
              box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
              border: none;
              cursor: pointer;
          }
          button:hover {
              background-color: #0c5ab3;
              transform: translateY(-2px);
              box-shadow: 0 6px 8px rgba(0, 0, 0, 0.2);
          }
          #main-title {
              font-size: 72px;
              color: #f2f2f5;
              text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
              margin-bottom: 20px;
          }

          h1:not(#main-title) {
              font-size: 24px;
              color: #f2f2f5;
              margin-bottom: 20px;
          }
          nav {
              background-color: rgba(10, 10, 10, 0.8);
              padding: 15px 0;
              position: fixed;
              top: 0;
              left: 0;
              width: 100%;
              z-index: 1000;
              box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
              backdrop-filter: blur(10px);
          }
            nav a {
                color: #f2f2f5;
                text-decoration: none;
                padding: 10px 20px;
                margin: 0 5px;
                border-radius: 5px;
                transition: all 0.3s ease;
                font-weight: bold;
            }

            nav a:hover, nav a.active {
                background-color: #02428b;
                color: #ffffff;
            }
             


form{

    text-align: center;


}

.hamburger {
    display: none;
    color: #ffffff;
    font-size: 30px;
    cursor: pointer;
    padding: 10px 15px;
}

@media screen and (max-width: 768px) {
    body {
        font-size: 14px;
    }

    #main-title {
        font-size: 48px;
    }

    h1:not(#main-title) {
        font-size: 20px;
    }

    nav {
        background-color: rgba(10, 10, 10, 0.8);
        padding: 15px 0;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 1000;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        backdrop-filter: blur(10px);
    }

    .hamburger {
        display: block;
    }

    .nav-links {
        display: none;
    }

    .nav-links.show {
        display: block;
    }

    nav a {
        display: block;
        padding: 10px 15px;
        text-align: left;
    }

    nav a:hover, nav a.active {
        background-color: #034694;
    }

    form {
        width: 90%;
    }
}
.example-buttons {
    margin-top: 20px;
    text-align: center;
}

.example-btn {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin: 0 10px;
    transition: background-color 0.3s;
}

.example-btn:hover {
    background-color: #45a049;
}