How to copy recent posts style for recent post by label widget?


I want to show Recent posts from specific labels, but want to show them in the same style as of my blog’s recent posts. so how to copy the style code or how to show them??

I am facing problem with bloggertricks widget, its not showing in a decent way. so i just want to stick to my template’s way.

want to show them in this way

Another problem is My gadgets are automatically vanishing from the layout, i dont know why?? so is there any solution to lock them, so that they will not vanish automatically ???

Help me @Nitishk @Mohammad