* {
    font-family: arial;
}

h1 {
    text-align: center;
    font-size: 2.5rem;
}

#pb {
    height: 200px;
    width: 200px;
    margin-left: auto;
    margin-right: auto;
    border: 3px solid black;
    border-radius: 999px;
}

#pb:hover {
    height: 400px;
    width: 400px;
    margin-left: auto;
    margin-right: auto;
    border: 10px solid red;
    border-radius: 0px;
}

#sm {
    width: 400px;
    float: left;
    border: 3px solid gray;
    background-color: rgb(167, 167, 255);
    padding-left: 5px;
}

#im {
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

#up {
    height: 400px;
    width: 200px;
}