.Main-page{
  margin: 10px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
 
}

.page-1{
 margin: 10px 10px 10px 0;
 margin-top: 20px;
 width: 100%;
 height: 100px;
  border: 2px solid black;
  background-color: aqua;

}

.page-2{
  margin: 10px 10px 10px 0;
  margin-top: 20px;
  width: 500px;
  height: 200px;
   display: flex;
   border: 2px solid black;
   background-color: rgb(182, 10, 67);

 }

 .page-3{
  margin: 10px 10px 10px 0;
  margin-top: 20px;
  width: 100%;
  height: 200px;
  align-items: first baseline;
   display: flex;
   border: 2px solid black;
   background-color: rgb(255, 251, 0);
 }