manage.css

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

header {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1em;
}

.add-user-form {
    width: 20%;
    margin: 20px auto;
    padding: 15px;
    background-color: #f2f2f2;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1); /* 添加阴影效果 */
}

form label {
    display: block;
    margin-bottom: 10px;
}

form input {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    box-sizing: border-box;
}

form button {
    background-color: #ccc; /* Neutral color */
    color: #333; /* Dark text color */
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

form button:hover {
    background-color: #ddd; /* Lighter background on hover */
}

table {
    width: 30%;
    margin: 20px auto;
    border-collapse: collapse;
    font-size: 0.9em;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    padding: 10px;
    text-align: left;
}

th {
    background-color: #333;
    color: white;
}

td button {
    background-color: #f44336;
    color: white;
    padding: 5px 10px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

td button:hover {
    background-color: #d32f2f;
}

p {
    text-align: center;
    margin-top: 20px;
}

a {
    color: #333;
}

a:hover {
    text-decoration: underline;
}

h3 {
    text-align: center;
}