feat(password): added a password reset page (and unused form), corrected the validation of the password changer, modified styles

app/ui/static/css/main.css

@@ -15,6 +15,17 @@ body {
     background-attachment: fixed;
 }
 
+#main-block > div {
+    box-shadow: 1px 1px 10px black;
+    border-radius: .50rem;
+    background: #4e4e4e;
+    margin: 1em;
+}
+
+#main-block > div > *:first-child {
+    margin: 1em;
+}
+
 .vcenter {
     position: absolute;
     left: 50%;
@@ -65,7 +76,7 @@ a:hover>span {
 }
 
 #password-msg li::before {
-    content: "☑ ";
+    content: "OK - ";
 }
 
 .errorinput {
@@ -78,7 +89,7 @@ a:hover>span {
 }
 
 li.errormsg::before {
-    content: "☒ " !important;
+    content: "KO - " !important;
 }
 
 
@@ -91,9 +102,4 @@ li.errormsg::before {
     border-color: #5cb85c;
     box-shadow: 0 0 0 .10rem rgba(92, 184, 92, 0.50);
     -webkit-box-shadow: 0 0 0 .10rem rgba(92, 184, 92, 0.50);
-}
-
-#change-form {
-    background: #4e4e4e;
-    border-radius: .50rem;
-}
+}