body {
    font-family: sans-serif;
    margin: 30px;
}

label {
    display: inline-block;
    width: 80px;
}

input {
    margin-bottom: 10px;
}

button {
    margin-top: 10px;
    padding: 5px 10px;
}

.hidden {
    display: none;
}

table {
    border-collapse: collapse;
    width: 70%;
    margin-top: 20px;
}

table, th, td {
    border: 1px solid #333;
}

th, td {
    padding: 8px;
    text-align: center;
}

.delete-btn {
    background-color: #d9534f;
    color: white;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
}