h1 {
    margin-bottom: 25px;
    margin-top: 15px;
}

h2 {
    font-weight: 500;
    font-size: 1.9em;
    margin-bottom: 20px;
}

h3 {
    font-weight: 500;
    font-size: 1.7em;
}

h4 {
    font-weight: 600;
    font-size: 1.5em;
}