.site-main {
    border-top: 2px solid #000;
    padding-top: 75px;
}
.site-main .container {
    max-width: 1460px;
}
.main-title {
    margin: 0 -30px;
    padding: 0 30px 10px;
    border-bottom: 2px solid #000;
    font-size: 30px;
    line-height: 1.6;
}
.content-title {
    font-size: 22px;
    font-weight: bold;
    line-height: 1.6;
    margin: 25px 0 20px;
}

@media screen and (max-width: 767px) {
    .site-main {
        padding-top: 30px;
    }
    .main-title {
        font-size: 24px;
    }
    .content-title {
        font-size: 17px;
    }
    .content .editor {
        font-size: 14px;
    }
}