Оптимизация основного css файла

App/static/css/main.css

@@ -1,55 +1,3 @@
-h1, h2 {
-    text-align: center;
-}
-
-body {
-    background-color: #87CEEB;
-}
-
-button {
-    background-color: #067936;
-    border-radius: 10px;
-    padding: 10px 20px;
-    border: none;
-    color: white;
-    cursor: pointer;
-    margin-top: 10px;
-}
-
-input[type=submit] {
-    background-color: #f2c464;
-}
-
-div.logout, div.login {
-    position: absolute;
-    right: 2%;
-    text-align: center;
-}
-
-div.buttons_menu{
-    text-align: center;
-    margin: 20px 0;
-}
-
-div.logout button {
-    margin-top: -5px;
-    background-color: #ff0000;
-}
-
-div.login button {
-    margin-top: -5px;
-    background-color: #176917;
-}
-
-div.return {
-    text-align: center;
-    margin: 20px 0;
-}
-
-div.return button {
-    background-color: chocolate;
-}
-
 div.form {
     margin-left: 30%;
     margin-right: 30%;
@@ -58,6 +6,7 @@ div.form {
     padding: 20px;
     border-radius: 10px;
     box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
+    color: black;
 }
 
 div.form label {
@@ -75,7 +24,3 @@ div.form select, div.form input[type=number] {
     width: 100%;
     box-sizing: border-box;
 }
-
-div.form button {
-    margin-top: 15px;
-}