* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: sans-serif;
    background-color: #f9fafb;
    color: #333333;
    font-size: 1rem;
}

li {
    margin-bottom: 0.5rem;
}

a {
    color: #2e8b57;
    text-decoration: none;
}

a:hover,
a:focus-visible {
    color: #3fae74;
    text-decoration: underline;
}

footer {
    color: #777777;
    background-color: #f1f1f1;
    text-align: center;
    padding: 0.5rem;
}

.credly-badge {
    display: inline-block;
    height: 256px;
    border-radius: 0.25rem;
    background-color: #f9fafb;
  }

.logo {
    width: 50px;
    height: auto;
  }

/* Dark mode */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #232323;
        color: #f0f0f0;
    }

    h1, h2 {
        color: #ffffff;
    }

    a {
        color: #3fae74;
        text-decoration: none;
    }

    a:hover {
        color: #4fdc94;
        text-decoration: underline;
    }

    footer {
        background-color: #2a2a2a;
        color: #bbbbbb;
    }
}