diff --git a/index.html b/index.html
index ff7f6ae..16ae90f 100644
--- a/index.html
+++ b/index.html
@@ -19,7 +19,7 @@
 
 	<body>
 
-		<header>
+		<header id="page-header">
 			<!-- menu du haut -->
 			<nav>
 				<ul>
@@ -59,7 +59,7 @@
 			</article>
 		</div>
 
-		<footer>
+		<footer id="main-footer">
 			<!-- menu du bas -->
 			<nav>
 				<ul>
diff --git a/scss/_normalized.scss b/scss/_normalized.scss
new file mode 100644
index 0000000..192eb9c
--- /dev/null
+++ b/scss/_normalized.scss
@@ -0,0 +1,349 @@
+/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
+
+/* Document
+   ========================================================================== */
+
+/**
+ * 1. Correct the line height in all browsers.
+ * 2. Prevent adjustments of font size after orientation changes in iOS.
+ */
+
+html {
+  line-height: 1.15; /* 1 */
+  -webkit-text-size-adjust: 100%; /* 2 */
+}
+
+/* Sections
+   ========================================================================== */
+
+/**
+ * Remove the margin in all browsers.
+ */
+
+body {
+  margin: 0;
+}
+
+/**
+ * Render the `main` element consistently in IE.
+ */
+
+main {
+  display: block;
+}
+
+/**
+ * Correct the font size and margin on `h1` elements within `section` and
+ * `article` contexts in Chrome, Firefox, and Safari.
+ */
+
+h1 {
+  font-size: 2em;
+  margin: 0.67em 0;
+}
+
+/* Grouping content
+   ========================================================================== */
+
+/**
+ * 1. Add the correct box sizing in Firefox.
+ * 2. Show the overflow in Edge and IE.
+ */
+
+hr {
+  box-sizing: content-box; /* 1 */
+  height: 0; /* 1 */
+  overflow: visible; /* 2 */
+}
+
+/**
+ * 1. Correct the inheritance and scaling of font size in all browsers.
+ * 2. Correct the odd `em` font sizing in all browsers.
+ */
+
+pre {
+  font-family: monospace, monospace; /* 1 */
+  font-size: 1em; /* 2 */
+}
+
+/* Text-level semantics
+   ========================================================================== */
+
+/**
+ * Remove the gray background on active links in IE 10.
+ */
+
+a {
+  background-color: transparent;
+}
+
+/**
+ * 1. Remove the bottom border in Chrome 57-
+ * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
+ */
+
+abbr[title] {
+  border-bottom: none; /* 1 */
+  text-decoration: underline; /* 2 */
+  text-decoration: underline dotted; /* 2 */
+}
+
+/**
+ * Add the correct font weight in Chrome, Edge, and Safari.
+ */
+
+b,
+strong {
+  font-weight: bolder;
+}
+
+/**
+ * 1. Correct the inheritance and scaling of font size in all browsers.
+ * 2. Correct the odd `em` font sizing in all browsers.
+ */
+
+code,
+kbd,
+samp {
+  font-family: monospace, monospace; /* 1 */
+  font-size: 1em; /* 2 */
+}
+
+/**
+ * Add the correct font size in all browsers.
+ */
+
+small {
+  font-size: 80%;
+}
+
+/**
+ * Prevent `sub` and `sup` elements from affecting the line height in
+ * all browsers.
+ */
+
+sub,
+sup {
+  font-size: 75%;
+  line-height: 0;
+  position: relative;
+  vertical-align: baseline;
+}
+
+sub {
+  bottom: -0.25em;
+}
+
+sup {
+  top: -0.5em;
+}
+
+/* Embedded content
+   ========================================================================== */
+
+/**
+ * Remove the border on images inside links in IE 10.
+ */
+
+img {
+  border-style: none;
+}
+
+/* Forms
+   ========================================================================== */
+
+/**
+ * 1. Change the font styles in all browsers.
+ * 2. Remove the margin in Firefox and Safari.
+ */
+
+button,
+input,
+optgroup,
+select,
+textarea {
+  font-family: inherit; /* 1 */
+  font-size: 100%; /* 1 */
+  line-height: 1.15; /* 1 */
+  margin: 0; /* 2 */
+}
+
+/**
+ * Show the overflow in IE.
+ * 1. Show the overflow in Edge.
+ */
+
+button,
+input { /* 1 */
+  overflow: visible;
+}
+
+/**
+ * Remove the inheritance of text transform in Edge, Firefox, and IE.
+ * 1. Remove the inheritance of text transform in Firefox.
+ */
+
+button,
+select { /* 1 */
+  text-transform: none;
+}
+
+/**
+ * Correct the inability to style clickable types in iOS and Safari.
+ */
+
+button,
+[type="button"],
+[type="reset"],
+[type="submit"] {
+  -webkit-appearance: button;
+}
+
+/**
+ * Remove the inner border and padding in Firefox.
+ */
+
+button::-moz-focus-inner,
+[type="button"]::-moz-focus-inner,
+[type="reset"]::-moz-focus-inner,
+[type="submit"]::-moz-focus-inner {
+  border-style: none;
+  padding: 0;
+}
+
+/**
+ * Restore the focus styles unset by the previous rule.
+ */
+
+button:-moz-focusring,
+[type="button"]:-moz-focusring,
+[type="reset"]:-moz-focusring,
+[type="submit"]:-moz-focusring {
+  outline: 1px dotted ButtonText;
+}
+
+/**
+ * Correct the padding in Firefox.
+ */
+
+fieldset {
+  padding: 0.35em 0.75em 0.625em;
+}
+
+/**
+ * 1. Correct the text wrapping in Edge and IE.
+ * 2. Correct the color inheritance from `fieldset` elements in IE.
+ * 3. Remove the padding so developers are not caught out when they zero out
+ *    `fieldset` elements in all browsers.
+ */
+
+legend {
+  box-sizing: border-box; /* 1 */
+  color: inherit; /* 2 */
+  display: table; /* 1 */
+  max-width: 100%; /* 1 */
+  padding: 0; /* 3 */
+  white-space: normal; /* 1 */
+}
+
+/**
+ * Add the correct vertical alignment in Chrome, Firefox, and Opera.
+ */
+
+progress {
+  vertical-align: baseline;
+}
+
+/**
+ * Remove the default vertical scrollbar in IE 10+.
+ */
+
+textarea {
+  overflow: auto;
+}
+
+/**
+ * 1. Add the correct box sizing in IE 10.
+ * 2. Remove the padding in IE 10.
+ */
+
+[type="checkbox"],
+[type="radio"] {
+  box-sizing: border-box; /* 1 */
+  padding: 0; /* 2 */
+}
+
+/**
+ * Correct the cursor style of increment and decrement buttons in Chrome.
+ */
+
+[type="number"]::-webkit-inner-spin-button,
+[type="number"]::-webkit-outer-spin-button {
+  height: auto;
+}
+
+/**
+ * 1. Correct the odd appearance in Chrome and Safari.
+ * 2. Correct the outline style in Safari.
+ */
+
+[type="search"] {
+  -webkit-appearance: textfield; /* 1 */
+  outline-offset: -2px; /* 2 */
+}
+
+/**
+ * Remove the inner padding in Chrome and Safari on macOS.
+ */
+
+[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+
+/**
+ * 1. Correct the inability to style clickable types in iOS and Safari.
+ * 2. Change font properties to `inherit` in Safari.
+ */
+
+::-webkit-file-upload-button {
+  -webkit-appearance: button; /* 1 */
+  font: inherit; /* 2 */
+}
+
+/* Interactive
+   ========================================================================== */
+
+/*
+ * Add the correct display in Edge, IE 10+, and Firefox.
+ */
+
+details {
+  display: block;
+}
+
+/*
+ * Add the correct display in all browsers.
+ */
+
+summary {
+  display: list-item;
+}
+
+/* Misc
+   ========================================================================== */
+
+/**
+ * Add the correct display in IE 10+.
+ */
+
+template {
+  display: none;
+}
+
+/**
+ * Add the correct display in IE 10.
+ */
+
+[hidden] {
+  display: none;
+}
diff --git a/scss/style.scss b/scss/style.scss
index ec627f8..ff81f21 100644
--- a/scss/style.scss
+++ b/scss/style.scss
@@ -14,3 +14,5 @@
 */
 
 @import 'palette';
+
+@import 'normalized';
diff --git a/style.css b/style.css
index eb593a8..1f56a61 100644
--- a/style.css
+++ b/style.css
@@ -33,3 +33,308 @@ a {
 ::-moz-selection {
   background: #d33682;
   color: #fdf6e3; }
+
+/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
+/* Document
+   ========================================================================== */
+/**
+ * 1. Correct the line height in all browsers.
+ * 2. Prevent adjustments of font size after orientation changes in iOS.
+ */
+html {
+  line-height: 1.15;
+  /* 1 */
+  -webkit-text-size-adjust: 100%;
+  /* 2 */ }
+
+/* Sections
+   ========================================================================== */
+/**
+ * Remove the margin in all browsers.
+ */
+body {
+  margin: 0; }
+
+/**
+ * Render the `main` element consistently in IE.
+ */
+main {
+  display: block; }
+
+/**
+ * Correct the font size and margin on `h1` elements within `section` and
+ * `article` contexts in Chrome, Firefox, and Safari.
+ */
+h1 {
+  font-size: 2em;
+  margin: 0.67em 0; }
+
+/* Grouping content
+   ========================================================================== */
+/**
+ * 1. Add the correct box sizing in Firefox.
+ * 2. Show the overflow in Edge and IE.
+ */
+hr {
+  box-sizing: content-box;
+  /* 1 */
+  height: 0;
+  /* 1 */
+  overflow: visible;
+  /* 2 */ }
+
+/**
+ * 1. Correct the inheritance and scaling of font size in all browsers.
+ * 2. Correct the odd `em` font sizing in all browsers.
+ */
+pre {
+  font-family: monospace, monospace;
+  /* 1 */
+  font-size: 1em;
+  /* 2 */ }
+
+/* Text-level semantics
+   ========================================================================== */
+/**
+ * Remove the gray background on active links in IE 10.
+ */
+a {
+  background-color: transparent; }
+
+/**
+ * 1. Remove the bottom border in Chrome 57-
+ * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
+ */
+abbr[title] {
+  border-bottom: none;
+  /* 1 */
+  text-decoration: underline;
+  /* 2 */
+  text-decoration: underline dotted;
+  /* 2 */ }
+
+/**
+ * Add the correct font weight in Chrome, Edge, and Safari.
+ */
+b,
+strong {
+  font-weight: bolder; }
+
+/**
+ * 1. Correct the inheritance and scaling of font size in all browsers.
+ * 2. Correct the odd `em` font sizing in all browsers.
+ */
+code,
+kbd,
+samp {
+  font-family: monospace, monospace;
+  /* 1 */
+  font-size: 1em;
+  /* 2 */ }
+
+/**
+ * Add the correct font size in all browsers.
+ */
+small {
+  font-size: 80%; }
+
+/**
+ * Prevent `sub` and `sup` elements from affecting the line height in
+ * all browsers.
+ */
+sub,
+sup {
+  font-size: 75%;
+  line-height: 0;
+  position: relative;
+  vertical-align: baseline; }
+
+sub {
+  bottom: -0.25em; }
+
+sup {
+  top: -0.5em; }
+
+/* Embedded content
+   ========================================================================== */
+/**
+ * Remove the border on images inside links in IE 10.
+ */
+img {
+  border-style: none; }
+
+/* Forms
+   ========================================================================== */
+/**
+ * 1. Change the font styles in all browsers.
+ * 2. Remove the margin in Firefox and Safari.
+ */
+button,
+input,
+optgroup,
+select,
+textarea {
+  font-family: inherit;
+  /* 1 */
+  font-size: 100%;
+  /* 1 */
+  line-height: 1.15;
+  /* 1 */
+  margin: 0;
+  /* 2 */ }
+
+/**
+ * Show the overflow in IE.
+ * 1. Show the overflow in Edge.
+ */
+button,
+input {
+  /* 1 */
+  overflow: visible; }
+
+/**
+ * Remove the inheritance of text transform in Edge, Firefox, and IE.
+ * 1. Remove the inheritance of text transform in Firefox.
+ */
+button,
+select {
+  /* 1 */
+  text-transform: none; }
+
+/**
+ * Correct the inability to style clickable types in iOS and Safari.
+ */
+button,
+[type="button"],
+[type="reset"],
+[type="submit"] {
+  -webkit-appearance: button; }
+
+/**
+ * Remove the inner border and padding in Firefox.
+ */
+button::-moz-focus-inner,
+[type="button"]::-moz-focus-inner,
+[type="reset"]::-moz-focus-inner,
+[type="submit"]::-moz-focus-inner {
+  border-style: none;
+  padding: 0; }
+
+/**
+ * Restore the focus styles unset by the previous rule.
+ */
+button:-moz-focusring,
+[type="button"]:-moz-focusring,
+[type="reset"]:-moz-focusring,
+[type="submit"]:-moz-focusring {
+  outline: 1px dotted ButtonText; }
+
+/**
+ * Correct the padding in Firefox.
+ */
+fieldset {
+  padding: 0.35em 0.75em 0.625em; }
+
+/**
+ * 1. Correct the text wrapping in Edge and IE.
+ * 2. Correct the color inheritance from `fieldset` elements in IE.
+ * 3. Remove the padding so developers are not caught out when they zero out
+ *    `fieldset` elements in all browsers.
+ */
+legend {
+  box-sizing: border-box;
+  /* 1 */
+  color: inherit;
+  /* 2 */
+  display: table;
+  /* 1 */
+  max-width: 100%;
+  /* 1 */
+  padding: 0;
+  /* 3 */
+  white-space: normal;
+  /* 1 */ }
+
+/**
+ * Add the correct vertical alignment in Chrome, Firefox, and Opera.
+ */
+progress {
+  vertical-align: baseline; }
+
+/**
+ * Remove the default vertical scrollbar in IE 10+.
+ */
+textarea {
+  overflow: auto; }
+
+/**
+ * 1. Add the correct box sizing in IE 10.
+ * 2. Remove the padding in IE 10.
+ */
+[type="checkbox"],
+[type="radio"] {
+  box-sizing: border-box;
+  /* 1 */
+  padding: 0;
+  /* 2 */ }
+
+/**
+ * Correct the cursor style of increment and decrement buttons in Chrome.
+ */
+[type="number"]::-webkit-inner-spin-button,
+[type="number"]::-webkit-outer-spin-button {
+  height: auto; }
+
+/**
+ * 1. Correct the odd appearance in Chrome and Safari.
+ * 2. Correct the outline style in Safari.
+ */
+[type="search"] {
+  -webkit-appearance: textfield;
+  /* 1 */
+  outline-offset: -2px;
+  /* 2 */ }
+
+/**
+ * Remove the inner padding in Chrome and Safari on macOS.
+ */
+[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none; }
+
+/**
+ * 1. Correct the inability to style clickable types in iOS and Safari.
+ * 2. Change font properties to `inherit` in Safari.
+ */
+::-webkit-file-upload-button {
+  -webkit-appearance: button;
+  /* 1 */
+  font: inherit;
+  /* 2 */ }
+
+/* Interactive
+   ========================================================================== */
+/*
+ * Add the correct display in Edge, IE 10+, and Firefox.
+ */
+details {
+  display: block; }
+
+/*
+ * Add the correct display in all browsers.
+ */
+summary {
+  display: list-item; }
+
+/* Misc
+   ========================================================================== */
+/**
+ * Add the correct display in IE 10+.
+ */
+template {
+  display: none; }
+
+/**
+ * Add the correct display in IE 10.
+ */
+[hidden] {
+  display: none; }
