Update pages/Life cycle of Machine learning .py

pages/Life cycle of Machine learning .py

@@ -61,7 +61,7 @@ st.markdown("""
     .step:nth-child(6) { background-color: #0000FF; } /* Light Salmon */
     .step:nth-child(7) { background-color: #808080; } /* Thistle */
     .step:nth-child(8) { background-color: #FF00FF; } /* Light Yellow */
-    .step:nth-child(9) { background-color: #40E0D0; } /* Light Cyan */
+    .step:nth-child(9) { background-color: #FF6347; } /* Light Cyan */
     .step:nth-child(10) { background-color:	#00FFFF; } /* Wheat */
     </style>
 """, unsafe_allow_html=True)