body{
    margin: 0;
    padding: 0;
    background: url(https://cdn.pixabay.com/photo/2021/07/06/19/26/drops-6392473_640.jpg) no-repeat center center fixed;
    background-size: cover;
    font-family: sans-serif;
}

.loginbox{
    width: 320px;
    height: 420px;
    background: #000;
    color: white;
    top: 25%;
    left: 40%;
    position: absolute;
    box-sizing: border-box;
    padding: 70px 30px;
    border-radius: 15px;
    box-shadow: 0 0 40px  -8px rgb(29, 113, 215) ;
}

.background{
    width: 100px;
    height: 100px;
    border-radius: 50%;
    position: absolute;
    bottom: 370px;
    left: calc(40% - 25px);
    
}

h1{
    margin: 0;
    padding: 0 0 20px;
    text-align: center;
    font-size: 22px;
}

.loginbox label{
    margin: 0;
    padding: 0 ;
    font-weight: bold;
}

.loginbox input{
    width: 100%;
    margin-bottom: 15px;
}

.loginbox input[type="text"] , input[type="password"]{
    border: none;
    border-bottom: 1px solid #fff;
    background: transparent;
    outline: none;
    height: 30px;
    color: #fff;
    font-size: 16px;
}

.loginbox input[type="submit"]{
    border: none;
    outline: none;
    height: 30px;
    background: linear-gradient(to bottom, #82a19a 0%, #5f87dc 100%);
    color: #fff;
    font-size: 18px;
    border-radius: 20px;
}

.loginbox input[type="submit"]:hover{
    cursor: pointer;
    background: #ffc187;
    color: #000;
}

.loginbox a{
    text-decoration: none;
    font-size: 12px;
    line-height: 20px;
    color: darkgray;
}

.loginbox a:hover{
    color: #ffc107;
}

 input[type="text"]:focus,input[type="password"]:focus {
  border-bottom: 2px solid #00f7ff;
  transition: 0.3s;
}



   
  @media (max-width: 600px) {
    .loginbox {
      width: 90%;
      left: 5%;
      top: 15%;
    }
  
    .background {
      left: calc(50% - 50px);

    }
  
    h1 {
      font-size: 20px;
    }
  }
/*   
  @media (prefers-color-scheme: dark) {
    body {
      background-color: #121212;
      color: #ffffff;
    }
  
    .loginbox {
      background-color: #333;
    }
  
    input, button {
      background-color: #555;
      color: #fff;
    }
  }
   */