body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

h1 {
    text-align: center;
}

.form-container {
    margin-bottom: 20px;
}

.form-container input {
    margin-right: 10px;
    padding: 5px;
}

.table-container {
    max-height: 400px;
    overflow-y: auto;
}

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

th, td {
    padding: 10px;
    text-align: left;
    border: 1px solid #dddddd;
}

th {
    background-color: #f2f2f2;
    position: sticky;
    top: 0;
    z-index: 1;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

input {
    width: 100%;
    box-sizing: border-box;
}

button {
    padding: 5px 10px;
    cursor: pointer;
    margin-right: 5px;
}

@media print {
    button {
        display: none;
    }
}