* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: darkgrey;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

#verticalButtons {
    display: flex;
    flex-direction: column;
}

button {
    border: none;
    border-radius: 5px;
    padding: 5px 5px 7px 5px;
    margin: 2px;
    cursor: pointer;
    transition: all 0.5s;
}

button:hover {
    background: blue;
}

#carCanvas {
    background: lightgrey;
}

#networkCanvas {
    background: black;
}

@media screen and (max-width: 539px) {
    body {
        flex-direction: column;
        overflow: auto;
    }
}