.gallery {
  width: 100%;
  padding: 20px;
  box-sizing: border-box;

  display: grid;
  gap: 20px;

  grid-template-columns: 1fr 1fr;
}

.gallery-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog {
  width: 100%;
  padding: 20px;
  box-sizing: border-box;
  
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
  
.listar22 {color: #000000; font-size: 9px; }	  
  
 

.post-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.post-title {
  font-size: 24px;
  margin-top: 5px;
  margin-bottom: 0px;
}
 
 
<!--      ----------------->
 
 }
div#Central{
border:1px solid blue; 
	 
	height:750px;
	width:300px;
	margin-top: 0;
	margin-right: auto;
	margin-bottom: 0;
	margin-left: auto;
}