<body class="position-fixed d-flex flex-column text-white bg-red">
  <header class="page-header">
    <nav class="d-flex justify-content-between">
      <a href="" class="logo"><strong>Mathew Adams</strong></a>
      <ul class="d-flex">
        <li>
          <a href="">Skills</a>
        </li>
      </ul>
    </nav>
  </header>
  <h1 class="position-absolute w-100 text-center heading">
    Web Developer, Traveler, Dreamer
  </h1>
  <a class="position-absolute contact" href="mailto:contact@mathewadams.com">Email</a>
  <section class="position-absolute d-flex align-items-center justify-content-center text-black bg-white skills-section" data-slideIn="to-top">
    <button class="position-absolute skills-close" aria-label="Close Skills Section">✕</button>
    <div class="d-flex chart-wrapper">
      <ul class="chart-levels">
        <li>Expert</li>
        <li>Advanced</li>
        <li>Intermediate</li>
        <li>Beginner</li>
        <li>Novice</li>
      </ul>
      <ul class="d-flex justify-content-around align-items-end flex-grow-1 text-center bg-black chart-skills">
        <li class="position-relative bg-red" data-height="80%">
          <span class="position-absolute w-100">CSS</span>
        </li>
        <li class="position-relative bg-red" data-height="60%">
          <span class="position-absolute w-100">HTML</span>
        </li>
        <li class="position-relative bg-red" data-height="68%">
          <span class="position-absolute w-100">JavaScript</span>
        </li>
        <li class="position-relative bg-red" data-height="52%">
          <span class="position-absolute w-100">Python</span>
        </li>
        <li class="position-relative bg-red" data-height="42%">
          <span class="position-absolute w-100">Ruby</span>
        </li>
      </ul>
    </div>
  </section>
</body>
/* RESET RULES & HELPER CLASSES
–––––––––––––––––––––––––––––––––––––––––––––––––– */
:root {
  --black: #1a1a1a;
  --white: #fff;
  --red: #e21838;
  --transition-delay: 0.85s;
  --transition-delay-step: 0.3s;
}

* {
  padding: 0;
  margin: 0;
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  outline: none;
}

.d-flex {
  display: flex;
}

.flex-column {
  flex-direction: column;
}

.justify-content-center {
  justify-content: center;
}

.justify-content-between {
  justify-content: space-between;
}

.justify-content-around {
  justify-content: space-around;
}

.align-items-center {
  align-items: center;
}

.align-items-end {
  align-items: flex-end;
}

.flex-grow-1 {
  flex-grow: 1;
}

.w-100 {
  width: 100%;
}

.position-relative {
  position: relative;
}

.position-fixed {
  position: fixed;
}

.position-absolute {
  position: absolute;
}

.text-center {
  text-align: center;
}

.text-black {
  color: var(--black);
}

.text-white {
  color: var(--white);
}

.bg-black {
  background: var(--black);
}

.bg-white {
  background: var(--white);
}

.bg-red {
  background: var(--red);
}

/* BODY
–––––––––––––––––––––––––––––––––––––––––––––––––– */
body {
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  font: 1rem/1.5 "Montserrat", sans-serif;
  overflow: hidden;
}

/* HEADER
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.page-header {
  padding: 20px;
  border-bottom: 1px solid #e93451;
}

.page-header li:not(:last-child) {
  margin-right: 20px;
}

.page-header .logo {
  font-size: 1.2rem;
  z-index: 1;
  transition: color 0.3s;
}

.window-opened .page-header .logo {
  color: var(--black);
  transition-delay: 0.8s;
}

/* HEADING
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.heading {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2.5rem;
}

/* CONTACT
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.contact {
  bottom: 20px;
  right: 20px;
}

/* SECTION
–––––––––––––––––––––––––––––––––––––––––––––––––– */
.skills-section {
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  transform: translateX(100%);
}

External CSS

  1. https://fonts.googleapis.com/css?family=Montserrat:400,700

External JavaScript

This Pen doesn't use any external JavaScript resources.