html {
    font-size: 16px;
    overflow-x: hidden;
}

@media (min-width: 768px) {
    html {
        font-size: 18px;
    }
}

@media (min-width: 1024px) {
    html {
        font-size: 20px;
    }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
    position: relative;
    min-height: 100%;
}

body {
    margin-bottom: 60px;
}

    /* High contrast mode */
    body.high-contrast {
        background-color: black;
        color: white;
    }

        body.high-contrast a {
            color: yellow;
        }

    /* Dark mode */
    body.dark-mode {
        background-color: #121212;
        color: #e0e0e0;
    }

        body.dark-mode a {
            color: #bb86fc;
        }

    /* Larger font size */
    body.large-font {
        font-size: 1.25rem;
    }