body {
    font-family: Arial, sans-serif;
    background-color: #f5f7fa;
    color: #333;
}

main.container-fluid {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1.h3 {
    font-weight: 700;
}

a {
    color: #d63a3a;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.btn-gap {
    margin-right: 3px;
}

.btn-gap:last-child {
    margin-right: 0;
}