What you want is a momentary switch. There are a bunch to choose from.
Here is one which comes in different LED colors so you can have a different LED for Power and Reset.
https://www.amazon.com/Ulincos-Momentary-Stainless-Suitable-Mounting/dp/B01C7CQHLO/
Here is one in black.
https://www.amazon.com/Ulincos-Momentary-Button-Suitable-Mounting/dp/B01I9KDTZK/
Here is one with a power symbol.
https://www.amazon.com/Yakamoz-Momentary-Button-Switch-Symbol/dp/B01D48KLSK/
If you wanted to you could also do a momentary rocker switch. Wire one side for power and the other for reset.
https://www.amazon.com/Parts-Express-Miniature-Momentary-Rocker/dp/B001TLSSZ8/
As for the front panel. There are all sorts of USB 3.1 Type A and C options. With or without audio jacks or card readers.
USB A/C, Card Reader and fan control.
https://www.amazon.com/SilverStone-Technology-Display-Amperage-FP59B/dp/B01LWSP4K8/
USB A/C, Audio
https://www.amazon.com/2-Port-Microphone-Desktop-Connector-Adapter/dp/B01A5DGJQA/
Fan Control, USB 3.0 Type A, eSATA+SATA Power Adapter, Audio, Card Reader
https://www.amazon.com/Awolf-Multi-function-Dashboard-Controller-Display/dp/B0178XIK2G/