html,
body {
  height: 100%;
}

body {
  display: flex;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 40px;
  /*background-color: #f5f5f5;*/
  background: url(../img/facade.webp) no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

.form-signin {
  width: 100%;
  max-width: 330px;
  padding: 15px;
  margin: auto;
  backdrop-filter: blur(10px);
  background-color: rgba(248,249,250,0.5);
}

.form-signin .checkbox {
  font-weight: 400;
}

.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;
}

@media screen and (max-width: 768px) {
  .form-signin {
    margin-top: 0;
  }
}