JSFiddle - React, Tailwind, and code Playground

by Alvaro Montoro

HTML

<form method="post" action="javascript: void(0);" id="login-form" class="login-form" autocomplete="off">
  <h1 class="a11y-hidden">Login form</h1>
  <figure aria-hidden="true">
    <div class="person-body"></div>
    <div class="neck skin"></div>
    <div class="head skin">
      <div class="eyes"></div>
      <div class="mouth"></div>
    </div>
    <div class="hair"></div>
    <div class="ears"></div>
    <div class="shirt-1"></div>
    <div class="shirt-2"></div>
  </figure>
  <div>
    <label class="required">
      <span>Username</span>
      <input type="text" name="username" id="username" placeholder="Username" required />
    </label>
  </div>
  <div>
    <label class="required">
      <span>Password</span>
      <input type="password" name="password" id="password" placeholder="Password" required />
    </label>
  </div>
  <div>
    <label>
      <input type="checkbox" name="show-password" id="show-password" class="a11y-hidden" />
      <span class="checkbox-label">Show Password</span>
    </label>
  </div>
  <input type="submit" value="Log In" name="submit" id="submit" />
  <div class="forgot-password">
    <a href="#">Forgot password?</a>
  </div>
</form>

CSS

html, body {
  align-items: center;
  background: #f2f4f8;
  border: 0;
  display: flex;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 16px;
  height: 100%;
  justify-content: center;
  margin: 0;
  padding: 0;
}

.a11y-hidden {
  position: absolute;
  left: -1000em;
}

form {
  --background: rgba(255, 255, 255, 1);
  --border: rgba(0, 0, 0, 0.125);
  --borderDark: rgba(0, 0, 0, 0.25);
  --borderDarker: rgba(0, 0, 0, 0.5);
  --borderRadius: 0.125rem;
  --bgColorH: 0;
  --bgColorS: 0%;
  --bgColorL: 98%;
  --fgColorH: 210;
  --fgColorS: 50%;
  --fgColorL: 38%;
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--borderRadius);
  box-shadow: 0 1rem 1rem -0.75rem var(--border);
  padding: 1rem;
}

input {
  border: 1px solid var(--border);
  border-radius: var(--borderRadius);
  box-sizing: border-box;
  font-size: 1rem;
  height: 2.25rem;
  line-height: 1.25rem;
  margin-top: 0.25rem;
  order: 2;
  padding: 0.25rem 0.5rem;
  width: 15rem;
  transition: all 0.25s;
}

label span {
  color: var(--borderDarker);
  display: block;
  font-size: 0.825rem;
  margin-top: 1rem;
  position: relative;
}

input[type="submit"] {
  color: hsl(var(--bgColorH), var(--bgColorS), var(--bgColorL));
  background: hsl(var(--fgColorH), var(--fgColorS), var(--fgColorL));
  font-size: 0.75rem;
  font-weight: bold;
  margin-top: 1rem;
  order: 4;
  outline: 1px dashed transparent;
  outline-offset: 2px;
  padding-left: 0;
  text-transform: uppercase;
}

input[type="checkbox"] + span {
  margin-top: 0.25rem;
  padding-left: 1.25rem;
  position: relative;
}

input[type="checkbox"] + span::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 0.75rem;
  height: 0.75rem;
  border: 1px solid var(--borderDark);
  border-radius: var(--borderRadius);
  transition: all 0.25s;
  outline:1px dashed transparent;
  outline-offset: 2px;
}

input[type="checkbox"]:checked + span::after {
  content: "";
  display:...