h1.heading8 {
    text-align: center;
    margin-left: 0px;
}

.header-buttons-wrapper {
    display: block;
    margin: auto;
    clear: both;
    text-align: center;
}

.row.header_description {
    margin: auto;
    padding-top: 10%;
    padding-bottom: 10%;
}

@media only screen and (min-width: 768px) {
    .row.header_description {
        width: 80%;
    }
    a.primary_button {
        margin-right: 10px;
    }
    a.secondary_button {
        margin-right: 0px;
        margin-left: 10px;
    }
}

@media only screen and (min-width: 1204px) {
    .row.header_description {
        width: 80%;
    }
}