fix invisible input text in coordinate-polar and derivative-calculator

Author: Shital861

web-app/js/projects.js

@@ -1982,7 +1982,8 @@ function initFlames() {
         gameActive = true;
         instructionsDiv.textContent = "Watch the sequence...";
         startNewRound();
-    
+    });
+
     calculateBtn.addEventListener('click', calculateFlames);
     name1Input.addEventListener('keypress', (e) => {
         if (e.key === 'Enter') calculateFlames();

web-app/js/projects/derivative-calculator.js

@@ -81,7 +81,6 @@ function getDerivativeCalculatorHTML() {
             button{
                 padding:15px;
                 border-radius:30px;
-                color: var(--text-color);
             }
         </style>
     `;