<div class="wrapper">
    <h1 class="header">Register</h1>
    <p class="headerText">To get access to the app</p>
  <form>
  
    <div class="inputWrapper">
      <label for="name">Name</label>
      <input id="name" type="text" required>
    </div>
    
    <div class="inputWrapper">
      <label for="email">E-mail</label>
      <input id="email" type="email" required>
    </div>
    
    <div class="inputWrapper">
      <label for="password">Password</label>
      <input id="password" type="password" required>
    </div>
    <div class="inputWrapper">
      <label for="repeatPassword">Repeat password</label>
      <input id="repeatPassword" type="password" required>
    </div>
    
    <button type="submit" class="submitButton">Register</button>
  
  </form>
</div>

<a class="link" href="https://hype4.academy/articles/coding/how-to-create-an-claymorphism-using-css">Read more about Claymorphism!</a>
* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background: #a2caff;
  color: #576d95;
  font-family: Arial;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.wrapper {
  max-width: 400px;
  width: 100%;
  padding: 30px;
  border-radius: 30px;
  background: #fff;
  box-shadow: 0 35px 68px 0 rgba(136, 174, 222, 0.42),
    inset 0 -8px 16px 0 #b9d1f1;
}

.header {
  font-size: 36px;
  font-weight: 500;
  margin: 0 0 12px;
  text-align: center;
}

.headerText {
  font-size: 16px;
  margin: 0 0 24px 0;
  text-align: center;
}

.inputWrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  width: 100%;
  margin: 0 0 16px 0;
  label {
    margin: 0 0 4px 0;
  }
  input {
    width: 100%;
    height: 40px;
    padding: 8px 16px;
    font-size: 16px;
    border-radius: 8px;
    border: 1px solid #b5d4ff;
    color: #576d95;
    outline-color: #236eb9;
  }
}

.submitButton {
  border: none;
  padding: 12px 30px;
  margin: 0 auto;
  display: block;
  font-size: 16px;
  color: #fff;
  border-radius: 8px;
  background-image: linear-gradient(90deg, #5fc7ff 50%, #43a8ff 100%);
  background-size: 200% 100%;
  background-position: 100% 100%;
  transition: background-position 256ms;
  will-change: background-position;
  cursor: pointer;
  &:hover {
    background-position: 00% 200%;
  }
}

.link {
  font-size: 16px;
  margin: 50px 0 0 0;
  display: block;
  max-width: 400px;
  width: 100%;
  padding: 50px;
  text-align: center;
  color: #576d95;
  border-radius: 30px;
  background: #fff;
  box-shadow: 0 35px 68px 0 rgba(136, 174, 222, 0.42),
    inset 0 -8px 16px 0 #b9d1f1;
}
View Compiled 
document.querySelector("form").addEventListener("submit", function(e){
    e.preventDefault();
    alert("Form submited!")
});

External CSS

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