Css fix form

App/static/css/main.css

@@ -42,9 +42,8 @@ div.login button {
 }
 
 div.return {
-    display: flex;
-    justify-content: center;
-    margin-top: 15px;
+    text-align: center;
+    margin: 20px 0;
 }
 
 div.return button {
@@ -52,10 +51,8 @@ div.return button {
 }
 
 div.form {
-    position: absolute;
-    left: 50%;
-    top: 50%;
-    transform: translate(-50%, -50%);
+    margin-left: 30%;
+    margin-right: 30%;
     text-align: center;
     background-color: white;
     padding: 20px;
@@ -79,12 +76,6 @@ div.form select, div.form input[type=number] {
     box-sizing: border-box;
 }
 
-div.form .period {
-    display: flex;
-    gap: 10px;
-    justify-content: center;
-}
-
 div.form button {
     margin-top: 15px;
 }