diff --git a/webmail.css b/webmail.css
new file mode 100644
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--- /dev/null
+++ b/webmail.css
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+/* BEGIN LICENSE BLOCK
+
+Authors : Ouvaton
+Licensed under the GPL license.
+See http://www.gnu.org/licenses/gpl.html
+
+END LICENSE BLOCK */
+
+
+/*FORMAT MOBILE*/
+
+
+body {
+background:#f0f0f0;
+font-family:Arial, sans-serif;}
+
+header h1,
+header p {
+text-align:center;}
+
+header h1 a img {
+margin-top:1%;}
+
+header p {
+margin-bottom:3%;
+font-size:200%;}
+
+main article p {
+width:80%;
+margin-left:10%;
+margin-bottom:2%;
+background:#FFFFFF;
+border:dashed ;
+border-color:#00419b;
+border-width:2px;}
+
+main article p:hover {
+border-width:4px;
+border-color:#5aa120;}
+
+main article p a img {
+width:96%;
+height:100px; 
+padding:2%;
+border:none;}
+
+footer {
+margin-bottom:10%;}
+
+
+/*FORMAT TABLETTE */ 
+@media screen and (min-width:600px) {
+
+
+main article p {
+width:50%;
+margin-left:25%; }
+
+main article p a img {
+height:150px; }
+
+footer {
+margin-bottom:5%; }
+
+
+}
+
+
+/*FORMAT PC */ 
+@media screen and (min-width:1200px) {
+
+
+main article p {
+width:30%;
+margin-left:35%; }
+
+
+footer {
+margin-bottom:4%; }
+
+
+}
\ No newline at end of file