Basically valid CSS should be on the website, if the input is this valid CSS.
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If you look at the example link, HTML escaping is active within the CSS. This leads to problems as the
"character is escaped:https://openwebcal.liondor.org/calendar.html?css=.CALENDAR-INDEX-0%20%7B%20background-color%3A%20%23ffa348%3B%20%7D.CALENDAR-INDEX-1%20%7B%20background-color%3A%20%23f66151%3B%20%7D.CALENDAR-INDEX-2%20%7B%20background-color%3A%20%2357e389%3B%20%7D%20.CALENDAR-INDEX-3%20%7B%20background-color%3A%20%2362a0ea%3B%20%7D%0A.CALENDAR-INDEX-0%3A%3Abefore%20%7B%20content%3A%20%221%22%3B%20%7D%0A.CALENDAR-INDEX-1%3A%3Abefore%20%7B%20content%3A%20%222%22%3B%20%7D%0A.CALENDAR-INDEX-2%3A%3Abefore%20%7B%20content%3A%20%223%22%3B%20%7D%0A.CALENDAR-INDEX-3%3A%3Abefore%20%7B%20content%3A%20%224%22%3B%20%7D%0A&language=fr&tabs=month&title=Calendrier%20%C3%A9v%C3%A8nements%20public%20bassin&url=https%3A%2F%2Faccords.liondor.org%2Fremote.php%2Fdav%2Fpublic-calendars%2F2wCf7i4m8JLAddat%3Fexport&url=https%3A%2F%2Fcalendar.google.com%2Fcalendar%2Fical%2Fjkmv2ktbqct3m1m38alm2g1i98%2540group.calendar.google.com%2Fpublic%2Fbasic.ics&url=https%3A%2F%2Fcalendar.google.com%2Fcalendar%2Fical%2Flegalpon%2540gmail.com%2Fpublic%2Fbasic.ics&url=https%3A%2F%2Fframagenda.org%2Fremote.php%2Fdav%2Fpublic-calendars%2FAAjQqBYYDDLQpW3A%2F%3Fexport
This makes the CSS invalid:
Basically valid CSS should be on the website, if the input is this valid CSS.
We're using Polar.sh so you can upvote and help fund this issue. We receive the funding once the issue is completed & confirmed by you. Thank you in advance for helping prioritize & fund our work.