带渐变色动画特效的登录页面-Toy模板网

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带渐变色动画特效的登录页面文章来源地址https://www.toymoban.com/news/detail-450751.html

<!DOCTYPE html>
<html>
<head>
  <title>Cool Login Page</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      text-align: center;
      padding-top: 100px;
      overflow: hidden;
    }

    .background-animation {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
      background: linear-gradient(-45deg, #fd746c, #ff9068, #48c6ef, #6f86d6);
      background-size: 400% 400%;
      animation: gradient-animation 15s ease infinite;
    }

    @keyframes gradient-animation {
      0% {
        background-position: 0% 50%;
      }
      50% {
        background-position: 100% 50%;
      }
      100% {
        background-position: 0% 50%;
      }
    }

    .login-container {
      max-width: 400px;
      margin: 0 auto;
      background: #fff;
      border-radius: 5px;
      padding: 20px;
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
      animation: slide-up 0.5s ease;
    }

    @keyframes slide-up {
      from {
        transform: translateY(100px);
        opacity: 0;
      }
      to {
        transform: translateY(0);
        opacity: 1;
      }
    }

    .login-header {
      margin-bottom: 20px;
    }

    .login-header h2 {
      color: #333;
      font-size: 24px;
    }

    .login-form {
      position: relative;
    }

    .input-container {
      position: relative;
      margin-bottom: 20px;
    }

    .input-container input {
      width: 100%;
      padding: 10px;
      border: none;
      border-bottom: 2px solid #ddd;
      font-size: 16px;
      transition: border-color 0.3s;
    }

    .input-container input:focus {
      outline: none;
      border-color: #fd746c;
    }

    .input-container label {
      position: absolute;
      top: 10px;
      left: 10px;
      color: #999;
      pointer-events: none;
      transition: top 0.3s, font-size 0.3s;
    }

    .input-container input:focus ~ label,
    .input-container input:valid ~ label {
      top: -15px;
      font-size: 12px;
      color: #fd746c;
    }

    .login-form button {
      background: #fd746c;
      color: #fff;
      border: none;
      padding: 10px 20px;
      border-radius: 5px;
      font-size: 18px;
      cursor: pointer;
      transition: background-color 0.3s;
    }

    .login-form button:hover {
      background: #ff9068;
    }
  </style>
</head>
<body>
  <div class="background-animation"></div>
  <div class="login-container">
    <div class="login-header">
      <h2>Welcome</h2>
    </div>
    <div class="login-form">
      <div class="input-container">
        <input type="text" id="username" required>
        <label for="username">Username</label>
      </div>
      <div class="input-container">
        <input type="password" id="password" required>
        <label for="password">Password</label>
      </div>
      <button type="submit">Log In</button>
    </div>
  </div>
</body>
</html>