* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 62.5%;
}

body {
    background-color: #fff;
    color: #2b2b2b;
    font-size: 3.2rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.page-content {
    width: 75%;
}

header {
    text-align: center;
}

@media only screen and (max-width: 999px) {
    .page-content {
        width: 90%;
    }
  }