:root {
    --background-color: rgb(28, 28, 45);
    --banner-color: rgb(38, 35, 55);
    --text-color: rgb(160, 160, 160);
    --link-color: rgb(140, 110, 200);
}

@media (prefers-color-scheme: light) {
    :root {
        --background-color: rgb(240, 240, 245);
        --banner-color: rgb(220, 225, 235);
        --text-color: rgb(75, 80, 105);
        --link-color: rgb(30, 160, 180);
    }
}

body {
    font-size: 18px;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--background-color);
    font-family: Nunito, sans-serif;
    margin: 0px;
}

a {
    color: var(--link-color);
}

.banner {
    text-align: center;
    background-color: var(--banner-color);
    color: var(--text-color);
}

.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.row {
    display: flex;
}

.column-solo {
    margin-left: 40px;
    margin-right: 40px;
}

.column-left {
    float: left;
    width: 40%;
    margin-left: 40px;
    margin-right: 40px;
}

.column-right {
    float: left;
    width: 60%;
    margin-left: 40px;
    margin-right: 40px;
}

.picture {
    max-width: 100%;
    height: auto;
    object-fit: contain;
    display: flex;
    margin-left: auto;
    margin-right: auto;
}

@media screen and (max-width: 800px) {
    .column-solo {
        margin-left: 20px;
        margin-right: 20px;
    }
    .row {
        flex-direction: column;
        margin: 20px;
    }
    .column-left,
    .column-right {
        width: 100%;
        margin-left: 0px;
        margin-right: 0px;
    }
}