CssSyntaxError Unclosed block when submitting a URL

To reproduce:

Request Arguments
```
{
"url": "https://www.pszichologus-vac.hu",
"browsers": "",
"css": ""
}
```

Gives:

Error

```
{
"name": "CssSyntaxError",
"reason": "Unclosed block",
"file": "/app/https:/www.pszichologus-vac.hu",
"line": 103,
"column": 1,
"message": "/app/https:/www.pszichologus-vac.hu:103:1: Unclosed block",
"input": {
"line": 1,
"column": 1,
"source": "@supports (grid-area: auto) {\n\n@media screen and (min-width: 110ch) {\n\n body {\n line-height: 1.8;\n }\n\n h1 {\n grid-area: title;\n background-color: #ebd9c6;\n }\n\n #about_me {\n grid-area: pic;\n padding-top: 2ch;\n }\n\n #intro {\n grid-area: intro;\n background-color: #ebd9c6;\n }\n\n #summary {\n grid-area: summary;\n background-color: #ebd9c6;\n }\n\n #offers {\n grid-area: offers;\n background-color: #ebd9c6;\n }\n\n #when {\n grid-area: when;\n background-color: #ebd9c6;\n }\n\n #methodology {\n grid-area: methodology;\n background-color: #ebd9c6;\n }\n\n p#contact {\n font-size: medium;\n }\n\n article {\n margin: 0;\n margin-left: calc((100vw - 88ch)/2.0);\n display: grid;\n grid-template-columns: 62ch 26ch;\n grid-template-rows: auto;\n grid-template-areas:\n \"title pic\"\n \"offers pic\"\n \"when .\"\n \"methodology . \"\n \"intro . \";\n min-width: 88ch;\n background-color: #dec0a1;\n }\n\n body {\n padding-top: 3ex;\n }\n\n #bottom_padding {\n min-height: 3ex;\n }\n}"
}
}
```

The website says: "You should tell Anand to style his error messages."