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

.container{
    width: 80%;
    margin: auto;
    margin-top: 30px;
    background: white;
    padding: 20px;
    border-radius: 10px;
}

h1{
    text-align: center;
    color: #333;
}

form{
    margin-top: 20px;
}

input, select, textarea{
    width: 100%;
    padding: 10px;
    margin-top: 10px;
}

button{
    background: #007BFF;
    color: white;
    border: none;
    padding: 12px;
    cursor: pointer;
    margin-top: 10px;
}

button:hover{
    background: #0056b3;
}

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

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

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

.menu{
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
}

.menu a{
    text-decoration: none;
    background: #28a745;
    color: white;
    padding: 10px 15px;
    border-radius: 5px;
}