Formulário de login animado

3759 Andev.web

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HTML

<!DOCTYPE html>
<html lang="en" >
<head>
 <meta charset="UTF-8">
 <title>Andev Web</title>
 <link rel="stylesheet" href="./style.css">

</head>
<body>
<div class="container">
 <div class="login-box">
 <h2>Login</h2>
 <form action="#">
 <div class="input-box">
 <input type="email" required>
 <label>Email</label>
 </div>
 <div class="input-box">
 <input type="password" required>
 <label>Password</label>
 </div>
 <div class="forgot-password">
 <a href="#">Forgot Password?</a>
 </div>
 <button type="submit" class="btn">Login</button>
 <div class="signup-link">
 <a href="#">Signup</a>
 </div>
 </form>
 </div>

</div>
 
</body>
</html>

CSS

@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500&display=swap");
* {
  margin: 0;
  padding: 0;
  font-family: "Poppins";
  box-sizing: border-box;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #1f293a;
  min-height: 100vh;
}

.container {
  position: relative;
  width: 256px;
  height: 256px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container span {
  position: absolute;
  left: 0;
  width: 32px;
  height: 6px;
  background: #2c4766;
  border-radius: 8px;
  transform-origin: 128px;
  transform: scale(2.2) rotate(calc(var(--i) * (360deg / 50)));
  animation: animateBlink 3s linear infinite;
  animation-delay: calc(var(--i) * (3s / 50));
}

@keyframes animateBlink {
  0% {
    background: #0ef;
  }

25% {
    background: #2c4766;
  }
}

.login-box {
  position: absolute;
  width: 400px;
}

.login-box form {
  width: 100%;
  padding: 0 50px;
}

h2 {
  font-size: 2em;
  color: #0ef;
  text-align: center;
}
.input-box {
  position: relative;
  margin: 25px 0;
}

.input-box input {
  width: 100%;
  height: 50px;
  background: transparent;
  border: 2px solid #2c4766;
  outline: none;
  border-radius: 40px;
  font-size: 1em;
  color: #fff;
  padding: 0 20px;
  transition: 0.5s;
}

.input-box input:focus,
.input-box input:valid {
  border-color: #0ef;
}

.input-box label {
  position: absolute;
  top: 50%;
  left: 20px;
  transform: translateY(-50%);
  font-size: 1em;
  color: #fff;
  pointer-events: none;
  transition: 0.5s ease;
}

.input-box input:focus ~ label,
.input-box input:valid ~ label {
  top: 1px;
  font-size: 0.8em;
  background-color: #1f293a;
  padding: 0 6px;
  color: #0ef;
}

.forgot-password {
  margin: -15px 0 10px;
  text-align: center;
}

.forgot-password a {
  font-size: 0.85em;
  color: #fff;
  text-decoration: none;
}

.forgot-password a:hover {
  text-decoration: underline;
}

.btn {
  width: 100%;
  height: 45px;
  border-radius: 45px;
  background: #0ef;
  border: none;
  outline: none;
  cursor: pointer;
  font-size: 1em;
  color: #1f293a;
  font-weight: 600;
}

.signup-link {
  margin: 20px 0 10px;
  text-align: center;
}

.signup-link a {
  font-size: 1em;
  color: #0ef;
  text-decoration: none;
  font-weight: 600;
}

.signup-link a:hover {
  text-decoration: underline;
}

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