main {
    font-size: 16px !important;
    width: 90%;
    max-width: 980px;
    margin: 0 auto
}

h1 {
    font-size: 30px;
    margin-top: 10%
}

h2 {
    font-size: 24px;
    margin-top: 5%
}

.backlink-button-box {
    margin-top: 10%;
    display: flex;
    justify-content: center
}

.backlink-button {
    display: block;
    width: 160px;
    padding: 10px;
    color: #fff;
    background: #e4642c;
    text-align: center;
    border-radius: 10px
}

.backlink-button:hover {
    opacity: .7;
    color: #fff
}

a {
    text-decoration: none;
    color: #e4642c;
    transition: .2s
}

.series {
    margin-top: 10%
}

.free-trial {
    margin-top: 10%
}

@media (max-width: 768px) {
    h1 {
        font-size:24px;
        margin-bottom: 10%
    }

    .series {
        margin-top: 20%
    }

    .free-trial {
        margin-top: 10%
    }
}

.rules-indent {
    display: block;
    padding-left: 10px
}
