body {
    background: #444;
    padding: 0;
    margin: 0;
}

body,
input {
    font-family: Courier, "Lucida Console", monospace;
}

main {
    display: flex;
    align-content: center;
    justify-content: center;
    height: 100vh;
}

.app {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    max-width: 320px;
}

.app svg {
    width: 100%;
    border: 1px solid #777;
}

.app code {
    color: #fff;
    font-size: 1.2em;
    padding: .4rem 0;
}

.app input {
    text-align: center;
}

.cor-atual {
    width: 100%;
    font-size: 1.2em;
    padding: .2rem;
    margin: .2rem 0;
}

.spinner {
    display: flex;
    align-items: end;
    justify-content: space-between;
    padding: .2rem;
    color: white;
    font-weight: 600;
    border-radius: .2em;
    margin-bottom: .2rem;
    width: 100%;
}

.spinner input[type=range] {
    cursor: pointer;
}

.red {
    background: linear-gradient(to right, black, red);
}

.green {
    background: linear-gradient(to right, black, green);
}

.blue {
    background: linear-gradient(to right, black, blue);
}

.luz {
    background: linear-gradient(to right, black, white);
    color: black;
}

.simulador {
    display: flex;
    flex-direction: column;
    border: 1px solid #777;
    padding: 1rem;
    margin-top: 1rem;
}

.simulador svg {
    width: 100%;
    border: 1px solid #777;
}

.cor-simulador {
    text-align: center;
}

.cor-simulador p {
    margin: .4rem;
}