.ds_h1 {
    font-weight: bold;
    font-size: 1.5em;
}

.ds_h2 {
    font-weight: bold;
    font-size: 1.17em;
}

.ds_h3 {
    font-weight: bold;
    font-size: 1.07em;
}

.ds_h4 {
    font-weight:bold;
    font-size: 1.0em;
}