diff --git a/README.fr.md b/README.fr.md
index 102e783..16fb765 100644
--- a/README.fr.md
+++ b/README.fr.md
@@ -31,6 +31,7 @@ La compatibilité avec tous les navigateurs et appareils modernes n'est pas enco
   - les gradients utilisent maintenant la syntaxe standard `linear-gradient(...deg, ...)` ;
   - les gradients de pli conservent des stops normalisés entre `0` et `100%` avec des ombres plus douces, sans highlight blanc ;
   - les transforms écrivent maintenant les propriétés standard `transform` et `transform-origin`, avec fallback préfixé quand il est détecté.
+- Déplacement des styles statiques des wrappers vers `turn.css` et des classes internes, en conservant inline les valeurs dynamiques de taille, position, z-index, transform et gradient.
 - Ajout d'une démo navigateur minimale avec jQuery `4.0.0`.
 - Ajout de texte et d'images locales dans la démo minimale.
 - Correction de la mise en page de la démo minimale afin que les dimensions mesurées par turn.js correspondent à la taille réellement rendue des pages.
@@ -50,6 +51,7 @@ xdg-open demos/minimal/index.html
 La démo charge :
 
 - jQuery `4.0.0` depuis le CDN jQuery ;
+- `../../turn.css` ;
 - `../../turn.js` ;
 - des images locales depuis `demos/minimal/assets`.
 
@@ -99,6 +101,7 @@ CSS minimal :
 JavaScript minimal :
 
 ```html
+<link rel="stylesheet" href="turn.css">
 <script src="https://code.jquery.com/jquery-4.0.0.min.js"></script>
 <script src="turn.js"></script>
 <script>
@@ -111,6 +114,8 @@ JavaScript minimal :
 </script>
 ```
 
+`turn.css` contient les styles statiques des wrappers internes de turn.js. `turn.js` injecte aussi ces règles de base en fallback pour les pages existantes qui ne chargent que le script, mais charger explicitement la feuille de style est recommandé.
+
 Détruire une instance :
 
 ```javascript
diff --git a/demos/magazine/index.html b/demos/magazine/index.html
index ee8da30..a607014 100644
--- a/demos/magazine/index.html
+++ b/demos/magazine/index.html
@@ -4,6 +4,7 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <title>turn.js - demo magazine double page</title>
+  <link rel="stylesheet" href="../../turn.css">
   <style>
     html,
     body {
diff --git a/demos/magazine_single/index.html b/demos/magazine_single/index.html
index 4806622..dcaf400 100644
--- a/demos/magazine_single/index.html
+++ b/demos/magazine_single/index.html
@@ -4,6 +4,7 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <title>turn.js - demo magazine simple page</title>
+  <link rel="stylesheet" href="../../turn.css">
   <style>
     html,
     body {
diff --git a/demos/minimal/index.html b/demos/minimal/index.html
index 73c0929..e31717c 100644
--- a/demos/minimal/index.html
+++ b/demos/minimal/index.html
@@ -4,6 +4,7 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <title>turn.js - exemple minimal</title>
+  <link rel="stylesheet" href="../../turn.css">
   <style>
     html,
     body {
diff --git a/readme.md b/readme.md
index 19f8dc2..be88687 100644
--- a/readme.md
+++ b/readme.md
@@ -31,6 +31,7 @@ Compatibility is not yet guaranteed for every modern browser or device. Safari/W
   - gradients now use standard `linear-gradient(...deg, ...)`;
   - fold gradients keep normalized `0-100%` stops and use softer shadow-only colors;
   - transforms now write standard `transform` and `transform-origin` properties, with a prefixed fallback when detected.
+- Moved static wrapper styles to `turn.css` and internal classes, while keeping dynamic size, position, z-index, transform, and gradient values inline.
 - Added a minimal browser demo using jQuery `4.0.0`.
 - Added text and local images to the minimal demo.
 - Fixed minimal demo layout so turn.js page measurements match the real rendered page size.
@@ -50,6 +51,7 @@ xdg-open demos/minimal/index.html
 The demo loads:
 
 - jQuery `4.0.0` from the jQuery CDN;
+- `../../turn.css`;
 - `../../turn.js`;
 - local image assets from `demos/minimal/assets`.
 
@@ -99,6 +101,7 @@ Basic CSS:
 Basic JavaScript:
 
 ```html
+<link rel="stylesheet" href="turn.css">
 <script src="https://code.jquery.com/jquery-4.0.0.min.js"></script>
 <script src="turn.js"></script>
 <script>
@@ -111,6 +114,8 @@ Basic JavaScript:
 </script>
 ```
 
+`turn.css` contains the static styles for turn.js internal wrappers. `turn.js` also injects these base rules as a fallback for existing pages that only load the script, but loading the stylesheet explicitly is recommended.
+
 Destroying an instance:
 
 ```javascript
diff --git a/tests/unit/turn.unit.test.js b/tests/unit/turn.unit.test.js
index 5c453a5..ee84ab5 100644
--- a/tests/unit/turn.unit.test.js
+++ b/tests/unit/turn.unit.test.js
@@ -252,6 +252,36 @@ describe('turn.js jQuery plugin', () => {
     expect($book.find('.turn-page-wrapper').length).toBeGreaterThan(0);
   });
 
+  it('uses CSS classes instead of inline styles for static wrapper styling', () => {
+    const { document, $ } = fixture;
+    const $book = $('#book');
+
+    $book.turn({
+      width: 600,
+      height: 400,
+      display: 'double',
+      gradients: true,
+      acceleration: false
+    });
+
+    const state = $book.data();
+    const pageWrapper = state.pageWrap[1][0];
+    const flipState = state.pages[1].data('f');
+
+    expect(document.getElementById('turn-js-base-css')).toBeTruthy();
+    expect(pageWrapper.classList.contains('turn-page-wrapper')).toBe(true);
+    expect(pageWrapper.style.position).toBe('');
+    expect(pageWrapper.style.overflow).toBe('');
+    expect(flipState.wrapper[0].classList.contains('turn-flip-wrapper')).toBe(true);
+    expect(flipState.wrapper[0].style.position).toBe('');
+    expect(flipState.wrapper[0].style.overflow).toBe('');
+    expect(flipState.fwrapper[0].classList.contains('turn-fold-wrapper')).toBe(true);
+    expect(flipState.fwrapper[0].style.position).toBe('');
+    expect(flipState.fwrapper[0].style.overflow).toBe('');
+    expect(flipState.fparent[0].classList.contains('turn-fold-parent')).toBe(true);
+    expect(flipState.fparent[0].style.pointerEvents).toBe('');
+  });
+
   it('supports initial page selection without animation', () => {
     const { $ } = fixture;
     const $book = $('#book');
diff --git a/tests/visual/minimal.spec.js b/tests/visual/minimal.spec.js
index 7acd61e..c7d9ec7 100644
--- a/tests/visual/minimal.spec.js
+++ b/tests/visual/minimal.spec.js
@@ -13,6 +13,7 @@ const jqueryDist = dirname(require.resolve('jquery'));
 const jqueryPath = resolve(jqueryDist, 'jquery.min.js');
 
 const contentTypes = {
+  '.css': 'text/css; charset=utf-8',
   '.html': 'text/html; charset=utf-8',
   '.js': 'text/javascript; charset=utf-8',
   '.jpg': 'image/jpeg',
diff --git a/turn.css b/turn.css
new file mode 100644
index 0000000..e2ad845
--- /dev/null
+++ b/turn.css
@@ -0,0 +1,30 @@
+.turn-page {
+  position: absolute;
+}
+
+.turn-page-wrapper,
+.turn-flip-wrapper,
+.turn-fold-wrapper,
+.turn-shadow {
+  position: absolute;
+  overflow: hidden;
+}
+
+.turn-fold-parent {
+  position: absolute;
+  overflow: visible;
+  pointer-events: none;
+}
+
+.turn-fold-inner {
+  position: absolute;
+  overflow: visible;
+}
+
+.turn-fold-page {
+  cursor: default;
+}
+
+.turn-back-shadow {
+  overflow: hidden;
+}
diff --git a/turn.js b/turn.js
index 2d0fb45..7d5f28e 100644
--- a/turn.js
+++ b/turn.js
@@ -131,14 +131,30 @@ var has3d,
 	pagePosition = {0: {top: 0, left: 0, right: 'auto', bottom: 'auto'},
 					1: {top: 0, right: 0, left: 'auto', bottom: 'auto'}},
 
+	baseStyleId = 'turn-js-base-css',
+
+	baseStyles = [
+		'.turn-page{position:absolute;}',
+		'.turn-page-wrapper,.turn-flip-wrapper,.turn-fold-wrapper,.turn-shadow{position:absolute;overflow:hidden;}',
+		'.turn-fold-parent{position:absolute;overflow:visible;pointer-events:none;}',
+		'.turn-fold-inner{position:absolute;overflow:visible;}',
+		'.turn-fold-page{cursor:default;}',
+		'.turn-back-shadow{overflow:hidden;}'
+	].join(''),
+
+	ensureTurnCss = function() {
+		if (!document.getElementById(baseStyleId))
+			$('<style/>', {id: baseStyleId, type: 'text/css'}).
+				text(baseStyles).
+					appendTo(document.head || document.documentElement);
+	},
+
 	// Gets basic attributes for a layer
 
-	divAtt = function(top, left, zIndex, overf) {
+	divAtt = function(top, left, zIndex) {
 		return {'css': {
-					position: 'absolute',
 					top: top,
 					left: left,
-					'overflow': overf || 'hidden',
 					'z-index': zIndex || 'auto'
 					}
 			};
@@ -383,6 +399,8 @@ turnMethods = {
 
 	init: function(opts) {
 
+		ensureTurnCss();
+
 		// Define constants
 		if (has3d===undefined) {
 			has3d = 'WebKitCSSMatrix' in window || 'MozPerspective' in document.body.style;
@@ -562,9 +580,7 @@ turnMethods = {
 
 		data.pageWrap[page] = $('<div/>', {'class': 'turn-page-wrapper',
 										page: page,
-										css: {position: 'absolute',
-										overflow: 'hidden',
-										width: width,
+										css: {width: width,
 										height: height}}).
 										css(pagePosition[(data.display=='double') ? page%2 : 0]);
 
@@ -1488,6 +1504,8 @@ flipMethods = {
 
 	init: function(opts) {
 
+		ensureTurnCss();
+
 		if (opts.gradients) {
 			opts.frontGradient = true;
 			opts.backGradient = true;
@@ -1610,8 +1628,8 @@ flipMethods = {
 
 
 		if (gradient && !data.bshadow)
-			data.bshadow = $('<div/>', divAtt(0, 0, 1)).
-				css({'position': '', width: this.width(), height: this.height()}).
+			data.bshadow = $('<div/>', {'class': 'turn-back-shadow'}).
+				css({width: this.width(), height: this.height()}).
 					appendTo(data.parent);
 
 		return gradient;
@@ -1623,17 +1641,17 @@ flipMethods = {
 	_createFoldParent: function() {
 
 		var data = flipData(this),
-			fparent = $('<div/>', {css: {'pointer-events': 'none'}}).hide();
+			fparent = $('<div/>', {'class': 'turn-fold-parent'}).hide();
 
 		fparent.data().flips = 0;
 
 		if (data.opts.turn) {
-			fparent.css(divAtt(-data.opts.turn.offset().top, -data.opts.turn.offset().left, 'auto', 'visible').css).
+			fparent.css(divAtt(-data.opts.turn.offset().top, -data.opts.turn.offset().left, 'auto').css).
 					appendTo(data.opts.turn);
 
 			turnData(data.opts.turn).fparent = fparent;
 		} else {
-			fparent.css(divAtt(0, 0, 'auto', 'visible').css).
+			fparent.css(divAtt(0, 0, 'auto').css).
 				attr('id', 'turn-fwrappers').
 					appendTo($('body'));
 		}
@@ -1697,22 +1715,26 @@ flipMethods = {
 			if (!data.fparent)
 				data.fparent = flipMethods._createFoldParent.call(this);
 
-			this.css({position: 'absolute', top: 0, left: 0, bottom: 'auto', right: 'auto'});
+			this.css({top: 0, left: 0, bottom: 'auto', right: 'auto'});
 
-			data.wrapper = $('<div/>', divAtt(0, 0, this.css('z-index'))).
+			data.wrapper = $('<div/>', {'class': 'turn-flip-wrapper'}).
+								css(divAtt(0, 0, this.css('z-index')).css).
 								appendTo(parent).
 									prepend(this);
 
-			data.fwrapper = $('<div/>', divAtt(parent.offset().top, parent.offset().left)).
+			data.fwrapper = $('<div/>', {'class': 'turn-fold-wrapper'}).
+								css(divAtt(parent.offset().top, parent.offset().left).css).
 								hide().
 									appendTo(data.fparent);
 
-			data.fpage = $('<div/>', {css: {cursor: 'default'}}).
-					appendTo($('<div/>', divAtt(0, 0, 0, 'visible')).
+			data.fpage = $('<div/>', {'class': 'turn-fold-page'}).
+					appendTo($('<div/>', {'class': 'turn-fold-inner'}).
+								css(divAtt(0, 0, 0).css).
 								appendTo(data.fwrapper));
 
 			if (data.opts.frontGradient)
-				data.ashadow = $('<div/>', divAtt(0, 0,  1)).
+				data.ashadow = $('<div/>', {'class': 'turn-shadow'}).
+					css(divAtt(0, 0,  1).css).
 					appendTo(data.fpage);
 
 			// Save data
diff --git a/turn.min.js b/turn.min.js
index 1275f6a..f244709 100644
--- a/turn.min.js
+++ b/turn.min.js
@@ -1 +1 @@
-!function(t){"use strict";var e,a="",r=Math.PI,i=r/2,n="ontouchstart"in window,s=n?{start:"touchstart",move:"touchmove",end:"touchend"}:{start:"mousedown",move:"mousemove",end:"mouseup"},o=window.performance&&window.performance.now?function(){return window.performance.now()}:function(){return(new Date).getTime()},p=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||function(t){return window.setTimeout(function(){t(o())},16)},l=window.cancelAnimationFrame||window.webkitCancelAnimationFrame||window.mozCancelAnimationFrame||function(t){window.clearTimeout(t)},h=".turn",g=".turnFlip",d={backward:["bl","tl"],forward:["br","tr"],all:["tl","bl","tr","br"]},f=["single","double"],c={page:1,gradients:!0,duration:600,acceleration:!0,display:"double",when:null},u={folding:null,corners:"forward",cornerSize:100,gradients:!0,duration:600,acceleration:!0},v={0:{top:0,left:0,right:"auto",bottom:"auto"},1:{top:0,right:0,left:"auto",bottom:"auto"}},w=function(t,e,a,r){return{css:{position:"absolute",top:t,left:e,overflow:r||"hidden","z-index":a||"auto"}}},m=function(t,e,a,r,i){var n=1-i,s=n*n*n,o=i*i*i;return y(Math.round(s*t.x+3*i*n*n*e.x+3*i*i*n*a.x+o*r.x),Math.round(s*t.y+3*i*n*n*e.y+3*i*i*n*a.y+o*r.y))},b=function(t){return t/r*180},y=function(t,e){return{x:t,y:e}},P=function(t,a,r){return e&&r?" translate3d("+t+"px,"+a+"px, 0px) ":" translate("+t+"px, "+a+"px) "},_=function(t){return" rotate("+t+"deg) "},x=function(t,e){return Object.prototype.hasOwnProperty.call(e,t)},M=function(t,e,a){return t=parseFloat(t),Math.max(e,Math.min(a,isNaN(t)?e:t))},O=function(t){return t.data()},j=function(t){return t.data().f},W=function(t){var e,a,n,s,o,p,l=0,h=0,g=y(0,0),d=y(0,0),f=y(0,0),c=t.width,u=t.height,v=t.wrapperHeight,w=t.origin,m=y(t.point.x,t.point.y),P="t"==t.point.corner.substr(0,1),_="l"==t.point.corner.substr(1,1);m.corner=t.point.corner,m.x=_?Math.max(m.x,1):Math.min(m.x,c-1);var x=function(){var O,j=y(w.x?w.x-m.x:m.x,w.y?w.y-m.y:m.y),W=Math.atan2(j.y,j.x);h=b(l=i-W),O=y(_?c-j.x/2:m.x+j.x/2,j.y/2);var F=l-Math.atan2(O.y,O.x),z=Math.max(0,Math.sin(F)*Math.sqrt(Math.pow(O.x,2)+Math.pow(O.y,2)));if(f=y(z*Math.sin(l),z*Math.cos(l)),l>i&&(f.x=f.x+Math.abs(f.y*Math.tan(W)),f.y=0,Math.round(f.x*Math.tan(r-l))<u))return m.y=Math.sqrt(Math.pow(u,2)+2*O.x*j.x),P&&(m.y=u-m.y),x();if(l>i){var A=r-l,D=v-u/Math.sin(A);g=y(Math.round(D*Math.cos(A)),Math.round(D*Math.sin(A))),_&&(g.x=-g.x),P&&(g.y=-g.y)}e=Math.round(f.y/Math.tan(l)+f.x);var k=c-e,T=k*Math.cos(2*l),G=k*Math.sin(2*l);d=y(Math.round(_?k-T:e+T),Math.round(P?G:u-G)),o=k*Math.sin(l);var S=Math.sqrt(Math.pow(t.endingPoint.x-m.x,2)+Math.pow(t.endingPoint.y-m.y,2));return p=M(S<c?S/c:1,0,1),t.frontGradient&&(s=o>100?(o-100)/o:0,a=y(o*Math.sin(i-l)/u*100,o*Math.cos(i-l)/c*100),P&&(a.y=100-a.y),_&&(a.x=100-a.x)),t.backGradient&&(n=y(o*Math.sin(l)/c*100,o*Math.cos(l)/u*100),_||(n.x=100-n.x),P||(n.y=100-n.y)),f.x=Math.round(f.x),f.y=Math.round(f.y),!0};return x(),{point:m,alpha:l,angle:h,tr:f,move:g,df:d,px:e,top:P,left:_,gradient:{endPointA:a,endPointB:n,startV:s,size:o,opacity:p}}},F=function(t,e,a,r){var i,n,s,o=[],p=e.x-t.x,l=e.y-t.y,h=(s=-b(Math.atan2(l,p)),(s%=360)<0&&(s+=360),0===s?0:s);for(i=0;i<r;i++)n=100*M(a[i][0],0,1),o.push(" "+a[i][1]+" "+n+"%");return"linear-gradient("+h+"deg,"+o.join(",")+")"},z=function(t,e,a,r,i){t.css({"background-image":F(e,a,r,i)})},A={init:function(r){void 0===e&&(e="WebKitCSSMatrix"in window||"MozPerspective"in document.body.style,a=function(){for(var t=["Moz","Webkit","Khtml","O","ms"],e=t.length,a="";e--;)t[e]+"Transform"in document.body.style&&(a="-"+t[e].toLowerCase()+"-");return a}());var i,o=O(this),p=this.children();if(r=t.extend({width:this.width(),height:this.height()},c,r),o.turnOriginal={style:this.attr("style"),class:this.attr("class")},o.opts=r,o.pageObjs={},o.pageDefaults={},o.pages={},o.pageWrap={},o.pagePlace={},o.pageMv=[],o.totalPages=r.pages||0,r.when)for(i in r.when)x(i,r.when)&&this.on(i+h,r.when[i]);for(this.css({position:"relative",width:r.width,height:r.height}),this.turn("display",r.display),e&&!n&&r.acceleration&&this.transform(P(0,0,!0)),i=0;i<p.length;i++)this.turn("addPage",p[i],i+1);return this.turn("page",r.page),d=t.extend({},d,r.corners),o.eventHandlers={start:function(t){for(var e in o.pages)if(x(e,o.pages)&&!1===D._eventStart.call(o.pages[e],t))return!1},move:function(t){for(var e in o.pages)x(e,o.pages)&&D._eventMove.call(o.pages[e],t)},end:function(t){for(var e in o.pages)x(e,o.pages)&&D._eventEnd.call(o.pages[e],t)}},t(this).on(s.start+h,o.eventHandlers.start),t(document).on(s.move+h,o.eventHandlers.move).on(s.end+h,o.eventHandlers.end),o.done=!0,this},destroy:function(){var e,a,r=O(this);if(!r.opts)return this;for(e in r.done&&this.turn("stop"),this.off(h),r.eventHandlers&&(this.off(s.start+h,r.eventHandlers.start),t(document).off(s.move+h,r.eventHandlers.move).off(s.end+h,r.eventHandlers.end)),r.pageObjs)x(e,r.pageObjs)&&"0"!==e&&r.pageObjs[e]&&(A._destroyPage.call(this,e),this.append(r.pageObjs[e]));return r.pageObjs[0]&&A._destroyPage.call(this,0),r.fparent&&r.fparent.remove(),void 0===(a=r.turnOriginal||{}).style?this.removeAttr("style"):this.attr("style",a.style),void 0===a.class?this.removeAttr("class"):this.attr("class",a.class),t.each(["opts","turnOriginal","pageDefaults","pages","pageObjs","pageWrap","pagePlace","pageMv","totalPages","page","tpage","disabled","done","display","fparent","eventHandlers"],function(t,e){this.removeData(e)}.bind(this)),this},_destroyPage:function(t){var e=O(this),a=e.pageObjs[t],r=e.pageDefaults&&e.pageDefaults[t];a&&(a.off(g).animatef(!1),a.detach(),A._removeFlipWrappers.call(this,a),A._removePageWrapper.call(this,t),r?(void 0===r.style?a.removeAttr("style"):a.attr("style",r.style),void 0===r.class?a.removeAttr("class"):a.attr("class",r.class)):a.removeClass("turn-page p"+t+" p-temporal"),a.removeData("f").removeData("effect"),delete e.pages[t],delete e.pageWrap[t],delete e.pagePlace[t])},_createPageWrapper:function(e,a,r){var i=O(this);return i.pageWrap[e]=t("<div/>",{class:"turn-page-wrapper",page:e,css:{position:"absolute",overflow:"hidden",width:a,height:r}}).css(v["double"==i.display?e%2:0]),this.append(i.pageWrap[e]),i.pageWrap[e]},_removePageWrapper:function(t){var e=O(this);e.pageWrap&&e.pageWrap[t]&&e.pageWrap[t].remove(),e.pageWrap&&delete e.pageWrap[t]},_removeFlipWrappers:function(t){var e=t&&t.data(),a=e&&e.f;a&&(a.fwrapper&&a.fwrapper.remove(),a.wrapper&&a.wrapper.remove())},addPage:function(e,a){var r=!1,i=O(this),n=i.totalPages+1;if(a){if(a==n)a=n,r=!0;else if(a>n)throw new Error('It is impossible to add the page "'+a+'", the maximum value is: "'+n+'"')}else a=n,r=!0;return a>=1&&a<=n&&(i.done&&this.turn("stop"),a in i.pageObjs&&A._movePages.call(this,a,1),r&&(i.totalPages=n),i.pageObjs[a]=t(e),i.pageDefaults[a]={style:i.pageObjs[a].attr("style"),class:i.pageObjs[a].attr("class")},i.pageObjs[a].addClass("turn-page p"+a),A._addPage.call(this,a),i.done&&this.turn("update"),A._removeFromDOM.call(this)),this},_addPage:function(t){var e=this.data(),a=e.pageObjs[t];if(a)if(A._necessPage.call(this,t)){if(!e.pageWrap[t]){var r="double"==e.display?this.width()/2:this.width(),i=this.height();a.css({width:r,height:i}),e.pagePlace[t]=t,A._createPageWrapper.call(this,t,r,i).prepend(e.pageObjs[t])}t&&1!=A._setPageLoc.call(this,t)||A._makeFlip.call(this,t)}else e.pagePlace[t]=0,e.pageObjs[t]&&e.pageObjs[t].remove()},hasPage:function(t){return t in this.data().pageObjs},_makeFlip:function(t){var e=O(this);if(!e.pages[t]&&e.pagePlace[t]==t){var 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