body {
    color: red;
    background-color: black;
}
h1 {
    color: red;
    text-decoration: underline;
}
.shell {
    display: flex;
    padding: 5px;
    margin: 0;
    width: 100hv;
    height: 100hv;
    
}

.g1 {
    padding: 5px;
    max-width: 15%;
    margin: 1%;
    border: solid;
    overflow: scroll;
    justify-content: center;
    text-align: center;
}

.g2 {
    padding: 5px;
    width: 80%;
    margin: 1%;
    border: solid;

}
details {
    padding: 2%;
}