.grid {
    width: 400px;
    height: 600px;
    background-color: yellow;
    position: relative;
    font-size: 30px;
    text-align: center;
}

.doodler {
    width: 60px;
    height: 85px;
    background-color: red;
    position: absolute;
}

.platform {
    width: 85px;
    height: 15px;
    background-color: green;
    position: absolute;
}

button {
    bottom: 10px;
    width: 200px;
    height: 200px;
    font-size: 20px;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    touch-action: none;
    -webkit-tap-highlight-color: transparent
}