[FIX/UX] Style comparison loader button and update ui_text.xlsx content (text displayed in the app, which can be edited directly in this file)

assets/styles.css

@@ -550,19 +550,22 @@ section[data-testid="stExpander"] summary p {
 
 [class*="resource_uploader_"] [data-testid="stBaseButton-secondary"],
 [class*="inputs_loader_"] [data-testid="stBaseButton-secondary"],
-[class*="scenario_loader_"] [data-testid="stBaseButton-secondary"] {
+[class*="scenario_loader_"] [data-testid="stBaseButton-secondary"],
+.st-key-comparison_loader [data-testid="stBaseButton-secondary"] {
     color: var(--green-dark) !important;
     border: none !important;
     border-radius: 0.5rem;
 }
 [class*="resource_uploader_"] [data-testid="stBaseButton-secondary"]:hover,
 [class*="inputs_loader_"] [data-testid="stBaseButton-secondary"]:hover,
-[class*="scenario_loader_"] [data-testid="stBaseButton-secondary"]:hover {
+[class*="scenario_loader_"] [data-testid="stBaseButton-secondary"]:hover,
+.st-key-comparison_loader [data-testid="stBaseButton-secondary"]:hover {
     background-color: var(--green-light);
 }
 [class*="resource_uploader_"] [data-testid="stBaseButton-secondary"] p,
 [class*="inputs_loader_"] [data-testid="stBaseButton-secondary"] p ,
-[class*="scenario_loader_"] [data-testid="stBaseButton-secondary"] p {
+[class*="scenario_loader_"] [data-testid="stBaseButton-secondary"] p,
+.st-key-comparison_loader [data-testid="stBaseButton-secondary"] p {
     color: var(--green-dark) !important;
     font-weight: 700 !important;
     text-transform: uppercase;