#container{
    display: flex;
    width: 100%;
    height: 800px;
}
#box1{
    width: 30%;
    height: 700px;
    margin-left: 5px;
    margin-top: 20px;
    overflow: scroll;
}
#box2{
    width: 65%;
    height: 700px;
    margin-left: 20px;
    margin-top: 20px;
}
#box22{
    display: flex;
    width: 80%;
    height: 100px;
    width: 800px;
    height: 200px;
    margin: 5px 0 0 20px;
    background-color: rgb(224,230,239);
}
#box23{
    display: grid;
    grid-template-columns: repeat(4,1fr);
    grid-template-rows: repeat(1,1fr);
    width: 850px;
    height: 400px;
    margin: 20px 0 0 20px;
}
#right {
    margin: 80px 0 0 200px;
    background-color: blue;
    color: white;
    width: 150px;
    height: 40px;
}
.blue{
    color: blue;
}
h1{
    font-size: 60px;
}
#red{
  background-color: red;
  width: 150px;
}
#mid{
  width: 800px;
}
.mar{
  margin-left: 25px;
}
#box23>div{
  width: 200px;
  height: 350px;
}
img{
  width: 200px;
  height: 150px;
}
button{
  background-color: blue;
  color: white;
  margin-left: 60px;
}
@media only screen and (min-width: 0px) and (max-width:400px){
#box23{
    grid-template-columns:repeat(1,1fr);
    grid-template-rows: repeat(4,320px);
}
}
@media only screen and (min-width: 401px) and (max-width:720px){
#box23{
    grid-template-columns:repeat(4,1fr);
    grid-template-rows: repeat(1,320px);
}
}