modif bouttons et page message

src/app/pages/parameters/parameters-exit/parameters-exit.component.html

@@ -0,0 +1,10 @@
+<button class="hamburger-btn" (click)="exitParam()">
+    <svg version="1.0" xmlns="http://www.w3.org/2000/svg"
+         width="64.000000pt" height="64.000000pt" viewBox="0 0 64.000000 64.000000"
+         preserveAspectRatio="xMidYMid meet">
+
+        <g transform="translate(0.000000,64.000000) scale(0.100000,-0.100000)"
+           fill="#000000" stroke="none">
+        </g>
+    </svg>
+</button>