.cellWithBorder {
    border: solid black 1px;
}

.tableWithMargin {
    margin-left: 20px;
    margin-bottom: 30px;
}

body {
    background-color: #f8f9fa;
    font-family: Arial, sans-serif;
    padding: 20px;
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #007bff;
}

.form-section {
    margin-bottom: 30px;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

label {
    font-weight: bold;
}

.btn-primary {
    background-color: #007bff;
    border: none;
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn {
    margin-top: 20px;
}

body {
    background-color: #f8f9fa;
    font-family: Arial, sans-serif;
    padding: 20px;
}

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

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

th {
    background-color: #007bff;
    color: white;
}

input:invalid {
    border-color: red;
    background-color: red;
}