How to turn Block Extended layout in 2 columns

Go to WordPress Dashboard >> Divi >> Theme Options >> Custom CSS >> add below code snippet.

@media screen and (min-width: 981px){ 
.el-dbe-blog-extra.block_extended { 
	justify-content: space-between; 
} 
.et_pb_post.el_dbe_block_extended { 
	width: calc(50% - 20px)!important; 
	margin-right: 0px!important; 
 } 
}

Output: