Navigation responsive

by oilvier

HTML

<div class="layout">
    <input type="checkbox" name="toggle" id="toggle" />
    <ul class="nav nav-first">
        <li>
            <label for="toggle">Produits</label>
        </li>
        <li><a href="#">Marques</a>

        </li>
        <li><a href="#">Symptomes</a>

        </li>
    </ul>
    <ul class="nav nav-children">
        <li class="nav-1 has-children">	<a href="#">Dermocosmeto</a>

            <div class="children">
                <div class="grids">
                    <div class="grid-1-4">
                        <ul>
                            <li><a href="#">Lien 1</a>

                            </li>
                            <li><a href="#">Lien 2</a>

                            </li>
                            <li><a href="#">Lien 3</a>

                            </li>
                            <li><a href="#">Lien 4</a>

                            </li>
                            <li><a href="#">Lien 5</a>

                            </li>
                        </ul>
                    </div>
                    <div class="grid-1-4">
                        <ul>
                            <li><a href="#">Lien 1</a>

                            </li>
                            <li><a href="#">Lien 2</a>

                            </li>
                            <li><a href="#">Lien 3</a>

                            </li>
                            <li><a href="#">Lien 4</a>

                            </li>
                            <li><a href="#">Lien 5</a>

                            </li>
                        </ul>
                    </div>
                    <div class="grid-1-4">
                        <ul>
                            <li><a href="#">Lien 1</a>

                            </li>
                            <li><a href="#">Lien 2</a>

                            </li>
                            <li><a href="#">Lien 3</a>

                            </li>
                        ...

CSS

/*====================
/1 Reset
======================*/
 body, h1, h2, h3, h4, h5, h6, p, blockquote, pre, dl, dt, dd, ol, ul, li, form, fieldset, legend, table, th, td, caption, hr {
    margin: 0;
    padding: 0;
}
body {
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
    width: 100%;
}
fieldset, img {
    border: 0;
}
img {
    font-style: italic;
    vertical-align:bottom;
}
ol, ul {
    list-style: none;
}
caption, th {
    text-align: left;
}
h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
    font-weight: normal;
}
abbr[title], acronym[title], dfn[title] {
    cursor: help;
    border-bottom: 1px dotted;
}
a {
    text-decoration: none;
    background:transparent;
}
pre {
    overflow: auto;
}
pre, code {
    font-family: monospace;
}
b, strong {
    font-weight: bold;
}
sub, sup {
    font-size: 65%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}
sup {
    top: -0.5em;
}
sub {
    bottom: -0.25em;
}
small {
    font-size: 80%;
}
button, input, select, option, optgroup, textarea {
    font: inherit;
    color: inherit;
    margin:0;
}
[type="submit"], [type="button"], [type="reset"], button {
    cursor:pointer;
    border:0;
    overflow:visible;
    line-height: normal;
}
button::-moz-focus-inner, input::-moz-focus-inner {
    border: 0;
    padding: 0;
}
input {
    line-height: normal;
}
[type="checkbox"], [type="radio"] {
    padding: 0;
}
textarea {
    overflow: auto;
    resize:none;
}
/* HTML5 (si besoin) */

/* article, aside, details, figcaption, figure, footer, header, hgroup, main, nav, section, summary { display: block; } 
audio, canvas, progress, video {display: inline-block; vertical-align: baseline;}
*/

/* Box model */
 *, *:before, *:after {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
/* Corriger le problème avec les polices non web-safe sur le système de grilles
 * On...