body {
    font-family: sans-serif;
    background: #f0f0f0;
    color: #000;
    margin: 0;
    padding: 20px;
    text-align: center;
}

.container {
    max-width: 800px;
    margin: auto;
    padding: 20px;
    background: #fff;
    border: 1px solid #ccc;
}

form {
    margin-bottom: 20px;
    padding: 10px;
    background: #fafafa;
}

label {
    display: inline-block;
    width: 120px;
    text-align: right;
    margin-right: 10px;
}

input[type="text"] {
    padding: 5px;
    width: 180px;
}

input[type="submit"] {
    margin-left: 130px;
    padding: 6px 12px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 8px;
    border: 1px solid #ccc;
}

th {
    background-color: #ddd;
}

.errors {
    color: red;
    margin-bottom: 10px;
}