style.css

* {
    box-sizing: border-box;
}

@font-face {
    font-family: Oswald;
    src: url('Oswald-VariableFont_wght.ttf') format('truetype');
}

html,
body {
    margin: 0px;
    padding: 0px;
    font-family: Oswald, sans-serif;
}

body {
    height: 100vh;
}

.gradient {
    background-color: #8BC6EC;
    background-image: linear-gradient(145deg, #8BC6EC 0%, #9599E2 100%);
    background-repeat: no-repeat;
}

.container {
    height: 90vh;
}

header {
    text-align: center;
    padding-top: 2rem;
}

h1 {
    font-size: 3rem;
}

main {
    margin: 0px auto;
    width: 95vw;
    max-width: 700px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#haikuText {
    text-align: center;
    font-size: 2rem;
}

#getHaiku {
    font-size: 1.2rem;
    padding: 7px 10px;
    border-radius: 5px;
    border: 2px solid #111;
    background-color: rgba(255,255,255,.3);
    cursor: pointer;
    box-shadow: none;
}

#getHaiku:hover,
#getHaiku:focus,
#getHaiku:active {
    background-color: rgba(255,255,255,.5);
}

footer {
    text-align: center;
}