@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@500&family=Crimson+Text&family=Oswald&display=swap');

html {
    font-family: sans-serif;
    background-color: darkblue;
    height: 100vh;
}

h1 {
    font-size: 30px;
    text-align: center;
}

h2 {
    font-size: 28px;
    text-decoration: underline;
}

h3 {
    font-size: 26px;
    font-style: italic;
}

h4 {
    font-size: 22px;
}

p {
    font-size: 20px;
}

.main-container {
    width: 900px;
    margin: auto;
    background-color: white;
    padding: 20px;
}

.flex-container {
    display: flex;
    border: 1px solid black;
    padding: 10px;
    margin: auto;
}

.flex-item1 {
    flex: auto;
    font-family: 'Oswald', sans-serif;
    padding: 5px;
}

.flex-item2 {
    flex: auto;
    font-family: 'Caveat', cursive;
    padding: 5px;
}

.flex-item2 span {
    text-decoration: line-through;
}

.flex-item3 {
    flex: auto;
    font-family: 'Crimson Text', serif;
    padding: 5px;
}

.flex-item3 span {
    color: red;
}