Using large font sizes can cause the sign-in link to appear off-screen. The instructions below will explain how to update your font settings to access this link. After successfully logging in, follow the same steps to change the default font size back to its previous state.
1. Select "Settings" (the icon usually looks like a gear)
2. Select "Display"
3. Select "Font Size", or "Screen zoom and font"
4. Make sure the radial next to "Normal" is checked
5. Relaunch Boomerang