html,
body {
  height: 100%;
}

body {
  display: flex;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 40px;
  background-color: #f5f5f5;
  background-image: url('../../images/mario-klassen-70YxSTWa2Zw-unsplash.jpg'); 
  background-repeat: no-repeat; 
  background-attachment: fixed;  
  background-size: 100% 100%;
  background-color: rgba(255, 255, 255, 0.5); 
  -webkit-backdrop-filter: blur(6px); 
  backdrop-filter: blur(6px);
}

main {
  background: #ffffffc7;
  border: 2px solid #626262;
  border-radius: 10px;
  padding: 30px 30px;
  box-shadow: rgb(41, 64, 16) 3px 5px 20px;
}

.form-signin {
  max-width: 350px;
  padding: 15px;
}

.form-signin .form-floating:focus-within {
  z-index: 2;
}

.form-signin input[type="text"] {
  margin-bottom: -1px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}

.form-signin input[type="password"] {
  margin-bottom: 10px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.form-signin input[type="email"] {
  margin-bottom: 10px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.div-first-steps {
  margin-top: 30px;
  background: white;
  border-radius: 6px;
  border: 1px solid #0d6efd;
  box-shadow: rgb(190, 190, 190) 3px 3px 7px;
}