JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrap_site">
  <div class="wrap_header">
    <header>
      <p></p>
      <!-- filler -->
      <p>This website is currently under construction.</p>
    </header>
  </div>

  <main class="wrap_content">
    <h1>Hi, my name is x. Welcome to my website.</h1>
    <h2 id="translate">你好, 我叫 x。欢迎来到我的网站。</h2>
    <div> </div>
    <h2><a href="#" class="button">ABOUT ME</a></h2> </main>

  <div class="wrap_footer">
    <footer>
      <a href="mailto:x">contact@x.com 📧 </a>
      <a href="imprint">⚖️ Imprint</a>
    </footer>
  </div>
</div>

CSS

html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}


/* HTML5 display-role reset for older browsers */

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

body {
  line-height: 1;
}

ol,
ul {
  list-style: none;
}

blockquote,
q {
  quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: '';
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}


/********** LANDINGPAGE.CSS **********/

body {}


/**********  **********/

*,
header,
footer {
  font-family: 'Roboto', sans-serif;
  font-size: 1vw;
  color: #4c4c4c;
  letter-spacing: 0.05em;
  text-decoration: none;
}

h1 {
  font-family: 'Lato', sans-serif;
  font-weight: normal;
  font-size: 4vw;
}


/********** SITE **********/

.wrap_site {
  max-width: 100%;
  margin: 0 5%;
}

.wrap_content {
  display: flex;
  align-items: center;
  justify-content: center;
}

.button {
  border: 1px solid #4c4c4c;
  display: inline-block;
  cursor: pointer;
  font-size: 1vw;
  padding: 8px 18px;
  background-color: white;
}

.button:hover {
  transition: background-color 0.5s ease;
  color: white;
  background-color: #4c4c4c;
}


/********** HEADER **********/

.wrap_header {
  left: 0;
  right: 0;
  top: 0;
  border-bottom: 1px solid #4c4c4c;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

header {
  display: flex;
  justify-content: space-between;
}


/********** FOOTER...