You can close this window by clicking on the "close" cross at the top right corner, clicking the black background or pressing the "ESC"-key.

Please click the icons below to increase or decrease the text size of the content.

Alternatively you can press CTRL and "+" to increase, CTRL and "-" to decrease the text size.

On a MAC you can do the same by pressing CMD and "+" and CMD and "-". CTRL + 0, respectively CTRL + 0 will reset the text size back to the original value.

You can close this window by clicking on the "close" cross at the top right corner, clicking the black background or pressing the "ESC"-key.