body {
    font-family: Arial, sans-serif;
    background-color: #f5f6fa;
    margin: 0;
    padding: 0;
}

.container {
    width: 80%;
    margin: 30px auto;
}

h1 {
    margin-bottom: 10px;
}

a {
    text-decoration: none;
    color: white;
    background-color: #3498db;
    padding: 8px 12px;
    border-radius: 5px;
    margin-right: 5px;
}

a:hover {
    background-color: #2980b9;
}

form {
    margin-top: 15px;
}

input[type="text"],
input[type="number"] {
    padding: 8px;
    margin-right: 5px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    padding: 8px 12px;
    border: none;
    background-color: #2ecc71;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #27ae60;
}

table {
    width: 80%;
    margin: 20px auto;
    border-collapse: collapse;
    background-color: white;
}

th {
    background-color: #2c3e50;
    color: white;
    padding: 10px;
}

td {
    padding: 10px;
    text-align: center;
    border-bottom: 1px solid #ddd;
}

tr:hover {
    background-color: #f1f1f1;
}

.wrapper {
    display: flex;
    justify-content: center;
    margin-top: 50px;
}

.form-wrapper {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    width: 300px;
}

.btn_box {
    margin-top: 15px;
    display: flex;
    justify-content: space-between;
}

.btn {
    background-color: #3498db;
    color: white;
    padding: 8px 12px;
    border-radius: 5px;
    text-decoration: none;
}

.btn:hover {
    background-color: #2980b9;
}