CSS copypaste to add mobile friendliness to 3col Venture on Dreamwidth

mobile-friendliness.css

@media only screen and (max-width: 768px) { /* you can change the pixel width to whatever you want */
    .column-right #content {
        box-sizing: border-box;
    }

    #content {
        padding: 1em;
    }

    .two-columns-right #content, .three-columns-sides #content {
        border: none;
    }

    #content .inner #primary,
    #content .inner #secondary,
    #content .inner #tertiary {
        width: 100%;
        margin: 0;
        float: none;
    }

    .two-columns-left #secondary > .inner:first-child, .three-columns-left #secondary > .inner:first-child, .three-columns-sides #secondary > .inner:first-child, .two-columns-right #tertiary > .inner:first-child, .three-columns-right #tertiary > .inner:first-child, .three-columns-sides #tertiary > .inner:first-child {
        padding: 0;
    }
}