@media screen and (max-width: 480px), screen and (max-device-width: 480px){
  body {
    background-color: lightblue;
  }
	.entry-summary{
    float: right;
    width: 225px;
	}
 }
 @media screen and (max-width: 375px), screen and (max-device-width: 375px){
  .entry-summary{
    float: right;
    width: 100%;
  }
.thumbnail{
  width:100%;
 }
}