Source code
<div class="page-sign">
  <div class="container-sign">
    <div class="card">
      <div class="card-header">
        <img src="admin4b.svg">
        <h1>Welcome back</h1>
        <span>Sign in to your account</span>
      </div>
      <div class="card-body">
        <div class="form-group">
          <label>E-mail</label>
          <input type="text" class="form-control">
        </div>
        <div class="form-group">
          <label class="d-flex">
            <div>Password</div>
            <a href="#" class="ml-auto">
              Forgot password?
            </a>
          </label>
          <input type="password" class="form-control">
        </div>
        <div class="form-group d-flex">
          <label class="checkbox">
            <input type="checkbox">
            <span class="check-mark"></span> Remember me
          </label>
          <a href="/" class="btn btn-primary ml-auto">
            Sign in
          </a>
        </div>
      </div>
      <div class="card-footer">
        <p class="text-muted">Don't have an account?</p>
        <a href="signup.html">Sign up for free</a>
      </div>
    </div>
  </div>
</div>

Welcome back

Sign in to your account
Sign in