:root {
    --bg-color: #636791;
    --text-color: #dddddd;
    --card-bg-color: #2d2d2d;
    --primary-color: #71dfaf;
    --border-radius: 5px;
}

body {
    font-family: 'Raleway', sans-serif;
    font-size: 14px;
    margin: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.container {
    display: flex;
    justify-content: center;
    margin: 10px;
    align-items: flex-start;
    height: calc(100vh - 20px);
}

.d-none {
    display: none;
}

@media only screen and (max-width: 600px) {
    .container {
        flex-direction: column;
        align-items: stretch;
    }
}