html {
    scroll-padding-top: 100px;
}

main .tutorial-wrapper {
    max-width: 1072px;
    margin: 0 auto;
    display: flex;
    column-gap: 20px;
    padding: 35px 0 70px;
}

.tutorial-content-inner {
    background-color: var(--color_grey_1000);
    max-width: 760px;
    padding: 0;
    display: flex;
    flex-direction: column;
    row-gap: 35px;
}

h1.tutorial-page-title,
h1.tutorial-page-title a,
h1.tutorial-page-title a:hover,
h1.tutorial-page-title a:active,
h1.tutorial-page-title a:focus {
    font-size: 48px;
    font-weight: 300;
    line-height: 58px;
    text-align: left;
    color: var(--color_text_highlight);
}

h2.cairo-post-inner-title,
h2.cairo-post-inner-title a,
h2.cairo-post-inner-title a:hover,
h2.cairo-post-inner-title a:active,
h2.cairo-post-inner-title a:focus {
    font-size: 39px;
    font-weight: 300;
    line-height: 48px;
    text-align: left;
    color: var(--color_text_titles);
}

.cairo-post-text-box h3 {
    font-size: 31px;
    font-weight: 400;
    line-height: 40px;
    text-align: left;
    color: var(--color_text_titles);
    margin-bottom: 35px;
}

.cairo-post-text-box {
    font-size: 20px;
    font-weight: 400;
    line-height: 32px;
    text-align: left;
    color: #BDBDBD;
}

/*.cairo-post-text-box:last-of-type {*/
/*    font-size: 16px;*/
/*    line-height: 24px;*/
/*    border: 1px solid #424242;*/
/*    padding: 15px;*/
/*    background: #1C1C1C;*/
/*    border-radius: 4px;*/
/*    font-family: var(--IBM-Mono);*/
/*}*/

.cairo-post-img-box img {
    width: 100%;
}

.cairo-post-text-box a {
    color: var(--text-link);
    text-decoration: underline;
}

.cairo-post-text-box em {
    font-style: normal;
    color: var(--color_text_inline_code);
}

@media(max-width:990px) {


    .tutorial-content-inner {
        padding: 0 4%;
        max-width: 100%;
    }

    main .tutorial-content {
        padding: 32px 0 70px;
    }

    h1.tutorial-page-title {
        font-size: 39px;
        line-height: 48px;
    }

    h1.tutorial-page-title,
    h1.tutorial-page-title a,
    h1.tutorial-page-title a:hover,
    h1.tutorial-page-title a:active,
    h1.tutorial-page-title a:focus {
        font-size: 39px;
        line-height: 48px;
    }

    h2.cairo-post-inner-title,
    h2.cairo-post-inner-title a,
    h2.cairo-post-inner-title a:hover,
    h2.cairo-post-inner-title a:active,
    h2.cairo-post-inner-title a:focus {
        font-size: 31px;
        line-height: 40px;
    }

    .cairo-post-text-box h3{
        font-size: 25px;
        line-height: 36px;
    }

    .cairo-post-text-box {
        font-size: 16px;
        line-height: 24px;
    }

    .tutorial-content-inner {
        /*row-gap: 24px;*/
    }

}

/***** TOC *****/

.toc-nav {
    position: sticky;
    top: 80px;
    padding-top: 196px;
    padding-bottom: 100px;
    align-self: start;
    order: 1;
}

.toc-nav .toc-nav-inner {
    border-left: 1px solid rgba(120, 120, 128, 0.25);
    margin: 0 0 0 24px;
}

.toc-nav .toc-nav-inner h6 {
    font-size: 13px;
    font-weight: 600;
    line-height: 20px;
    text-align: left;
    margin: 0;
    padding: 16px 0 24px 22px;
    text-transform: uppercase;
    color: #BDBDBD;
}

.toc-nav ul {
    list-style: none;
    margin: 0;
    position: relative;
    padding-bottom: 16px;
}

.toc-nav a {
    font-size: 16px;
    line-height: 24px;
    text-align: left;
    color: #BDBDBD;

    text-decoration: none;
    display: block;
    transition: all 50ms ease-in-out;
    padding: 16px 0 0 22px;
}

.toc-nav a:hover,
.toc-nav a:focus {
    color: var(--color_text_highlight);
}


.toc-nav li.active > a {
    color: var(--color_text_highlight);
}

.toc-nav li {
    position: relative;
}

.toc-nav li.active a:before {
    content: "";
    position: absolute;
    left: -1px;
    top: 15px;
    width: 2px;
    height: 25px;
    background: var(--color_grey_300);
}


@media(max-width:990px) {

    .single-post article {
        display: block;
    }

    .toc-nav {
        display: none;
    }
}