:root {
    --main-yellow: #d6cea7;
    --main-red: #c72618;
}

#display {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin: auto;
}

#bowie {
    width: 100%;
}

#controller {
    font-family: Helvetica, sans-serif;
    color: #d6cea7;
}

body {
    background: black;
}

#root {
    background: black;
    max-width: 450px;
    margin: 0 auto;
    padding-left: 20%;
    padding-right: 20%;
}

#headline-div {
    /* headline should be justified to the right, btn-container to the left */
    display: flex;
    justify-content: space-between;

}

#headline {
    font-size: 4rem;
    font-weight: 600;
    margin-top: 0.3rem;
    margin-bottom: 0.3rem;
}

#controller > label {
    color: white;
}

#btn-container {
    display: flex;
    justify-content: flex-end;
}

#copy-to-clipboard {
    background: black;
    color: #d6cea7;
    border: 1px solid #d6cea7;
    border-radius: 5px;
    padding: 0.5rem;
    margin: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}

#optimal-div {
    display: flex;
    justify-content: center;

    background: black;
    color: #d6cea7;
    border: 1px solid #d6cea7;
    border-radius: 5px;
    padding: 0.5rem;
    margin: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}