html, body {
    margin: 0;
    padding: 0;
}

:root {
    --bg-word: #5134ff;
}

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

h1::after {
    content: 'coding';
    background-color: var(--bg-word);
    color: white;
    border-radius: 0.3rem;
    padding: 0.8rem;
    margin-left: 0.3rem;
    animation: wordCarousel 6s linear infinite;
}

@keyframes wordCarousel {
    25% { content: 'reading'; }
    50% { content: 'dogs'; }
    75% { content: 'gaming'; }
}