body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
    padding: 0 20px;
}

header {
    background: #28a745;
    color: #ffffff;
    padding-top: 30px;
    min-height: 70px;
    border-bottom: #e8491d 3px solid;
}

header a {
    color: #ffffff;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 16px;
}

header ul {
    padding: 0;
    margin: 0;
    list-style: none;
    overflow: hidden;
}

header li {
    float: left;
    display: inline;
    padding: 0 20px 0 20px;
}

header #branding {
    float: left;
}

header #branding h1 {
    margin: 0;
}

header nav {
    float: right;
    margin-top: 10px;
}

header .highlight, header .current a {
    color: #e8491d;
    font-weight: bold;
}

header a:hover {
    color: #ffffff;
    font-weight: bold;
}

.form-container {
    width: 50%;
    margin: 50px auto;
    overflow: hidden;
    padding: 20px;
    background: #ffffff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.form-container h2 {
    text-align: center;
    margin-bottom: 20px;
}

.form-container input[type="text"],
.form-container input[type="email"],
.form-container input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    border: 1px solid #cccccc;
    border-radius: 5px;
}

.form-container input[type="submit"] {
    display: block;
    width: 100%;
    padding: 10px;
    background: #28a745;
    color: #ffffff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.form-container input[type="submit"]:hover {
    background: #218838;
}

.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #28a745;
    color: #ffffff;
    padding: 10px 15px;
    border-radius: 5px;
    text-decoration: none;
}

.profile-section {
    background: #ffffff;
    padding: 20px;
    margin-top: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.logout-btn {
    display: inline-block;
    padding: 10px 15px;
    background: #dc3545;
    color: #ffffff;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 10px;
}

.logout-btn:hover {
    background: #c82333;
}