Downloaded SVG zip cannot be opened
**Describe the bug**
In official website, I downloaded several icons in SVG format. But the downloaded zip file cannot be extracted. 

**To Reproduce**
Steps to reproduce the behavior:
1. Go to website.
2. Select several icons.
3. Download by clicking "SVG" button.
4. Open the downloaded *.zip file.
**Expected behavior**
The *.zip file should be able to extract and get SVG files.


**Device (please complete the following information):**
 - OS: openSUSE Tumbleweed Linux
 - Browser &amp; Version Firefox 69.0.3
 - Website Version 2.0.0

**Additional context**
Add any other context about the problem here.
