body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
}

nav {
    display: block;
    width: 100%;
    background-color: #007bff;
  }

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    position: -webkit-sticky;
    /* Safari */
    position: sticky;
    top: 0;
  
  }

  nav li {
    float: right;
  
  }
  
  nav li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    border: 1px0;
    border-radius: 10px;
  }
  
  nav li a:hover:not(.active) {
    background-color: #ededed15;
  }

.form-container {
    margin-top: 20px;
}

form {
    max-width: 600px;
    margin: 0 auto;
}

label,
input,
textarea {
    display: block;
    margin-bottom: 10px;
}

input[type="text"],
textarea,
input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}

input[type="submit"] {
    background-color: #007bff;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #0056b3;
}

.notification {
  background-color: #f2dede;
  color: #a94442;
  padding: 10px;
  border-radius: 5px;
  margin-bottom: 15px;
}