body {
    padding: 0;
    margin: 0;
}

.grid {}

.grid {
    display: grid;
    grid-template-columns: auto auto;
    place-items: center;
    row-gap: 100px;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    transform: translate(-50%, -50%);
}

.grid div {
    width: 75%;
    height: 20vh;
    border: 10px solid black;
}

.grid div:hover {
    cursor: pointer;
}

.gray {
    background-color: gray;
}

.orange {
    background-color: orangered;
}

.green {
    background-color: green;
}

.blue {
    background-color: blue;
}