body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1.1em;
    padding-top: 20px;
    display: flexbox;
}

header {
    padding: 15px;
    text-align: center;
    margin-bottom: 20px;
}

footer {
    text-align: center;
    padding: 15px;
    margin-top: 20px;
    color: #252423;
}

main {
    max-width: auto;
    margin: auto;
    padding: 20px;
}

button {
    cursor: pointer;
    background-color: #2b5c99e2;
    color: #ffffff;
    border-radius: 5px;
    text-align: center;
}

button:hover {
    background-color: goldenrod;
}

.form-control, .form-select {
    margin-bottom: 15px;
}

.form-label {
    font-weight: 500;
}

form {
    max-width: 800px;
    margin: 0 auto 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

h1 {
    text-align: center;
    padding: 15px;
    margin-bottom: 40px !important;
    color: #252423;
    border-bottom: 1px solid #dee2e6;
}

h2, h3, h4 {
    color: #212529;
    text-align: center;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
}