.box {
  transition:box-shadow .3s;
 /* width: 300px;
  height: 500px;
  margin: 50px;*/
  width:95%;
  height:150px;
  border-radius:10px;
  border: 1px solid #ccc;
  float:left;
  border-left:3px solid #0000ff;
  padding:10px;
  border-right:3px solid #0000ff;
  
  font-size:16px;
  border-radius:10px;
 /* background: #fff;
  float: left;*/
  
}
.box:hover {
  box-shadow: 0 0 50px rgba(33,33,33,.4); 
}