body {
    font-family: Arial, sans-serif;
    margin: 20px;
}
table {
    border-collapse: collapse;
    width: 100%;
}
table, th, td {
    border: 1px solid #aaa;
}
th, td {
    padding: 8px;
    text-align: left;
}
a {
    margin-right: 10px;
}
form {
    display: flex;
    flex-direction: column;
    width: 300px;
}
form input, form button {
    margin-bottom: 10px;
}