Please try clearing the cache and cookies on your browser.

In Chrome

1. On your computer, open Chrome.
2. At the top right, click More.
3. Click More tools. Clear browsing data.
4. At the top, choose a time range. To delete everything, select All time.
5. Next to "Cookies and other site data" and "Cached images and files," check the boxes.
6. Click Clear data.

In Safari

1. To clear your history and cookies, go to Settings > Safari, and tap Clear History and Website Data.
2. To clear your cookies and keep your history, go to Settings > Safari > Advanced > Website Data, then tap Remove All Website Data.

In Firefox

1. Click the menu button. and select Options.
2. Select the Privacy & Security panel.
3. In the Cookies and Site Data section, click Clear Data.
4. Remove the check mark in front of Cookies and Site Data.
5. With Cached Web Content check marked, click the Clear button.
6. Close the about:preferences page.

In Internet Explorer

1. Select Tools (via the Gear Icon) > Safety > Delete browsing history.

NOTE: You can also access this menu by holding Ctrl + Shift + Delete. Make sure to uncheck Preserve Favorites website data and check both Temporary Internet Files and Cookies then click Delete.

Also, try to hard refresh it by clicking Ctrl + R or f5.