body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    color: #333;
    background-image: url('/background.png');
    background-size: cover;
    background-attachment: fixed;
}
header {
    background-color: #007bff;
    color: white;
    padding: 20px 0;
    text-align: center;
    position: relative;
}
.logo {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
}
nav {
    display: flex;
    justify-content: center;
    background-color: #343a40;
}
nav a {
    color: white;
    padding: 14px 20px;
    text-decoration: none;
    text-align: center;
}
nav a:hover {
    background-color: #495057;
}
.container {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.container h2 {
    color: #007bff;
}
.user-list {
    margin: 20px 0;
}
.user-list table {
    width: 100%;
    border-collapse: collapse;
}
.user-list th, .user-list td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}
.user-list th {
    background-color: #f2f2f2;
}
.user-list tr:nth-child(even) {
    background-color: #f9f9f9;
}
.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
}
.form-group input {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
}
.button {
    display: inline-block;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    outline: none;
    color: #fff;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    box-shadow: 0 4px #0056b3;
}
.button:hover {
    background-color: #0056b3;
}
.button:active {
    background-color: #0056b3;
    box-shadow: 0 2px #004494;
    transform: translateY(2px);
}
footer {
    background-color: #343a40;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}
