body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    margin: 0;
    padding: 0;
}
.container {
    max-width: 90%;
    margin: auto;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
input, button {
    padding: 10px;
    margin: 5px 0;
    width: 100%;
    border-radius: 5px;
    border: 1px solid #ccc;
}
button {
    background-color: #007bff;
    color: white;
    border: none;
    cursor: pointer;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}