Certified GKH Gardening Expert
I hope your seedlings survived! They look like they need more light. Also, a fungal disease, called damping off, can cause the collapse of seedlings. These articles should help with your seedlings.
https://www.gardeningknowhow.com/garden-how-to/propagation/seeds/troubleshooting-seedling-issues.htm
https://www.gardeningknowhow.com/garden-how-to/propagation/seeds/leggy-seedling.htm
https://www.gardeningknowhow.com/garden-how-to/propagation/seeds/seedlings-turning-yellow.htm
https://www.gardeningknowhow.com/garden-how-to/propagation/seeds/fungus-control-in-seed-trays.htm
https://www.gardeningknowhow.com/garden-how-to/propagation/seeds/what-is-damping-off.htm