html,
body {
  height: 100%;
  margin: 0;
}

body {
  /* background: #0bb2df; */
  background-image: url("./img/background.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 100%;
}

.main {
  margin-top: 80px;
  margin-bottom: 80px;
  position: relative;
  z-index: 1;
  text-align: center;
}

.signin {
  max-width: 380px;
  padding: 15px 35px 45px;
  margin: 0 auto;
  background-color: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.form-sign-heading,
.checkbox {
  margin-bottom: 30px;
}

.checkbox {
  font-weight: normal;
}

.form-control {
  position: relative;
  font-size: 16px;
  height: auto;
  padding: 10px;
  box-sizing: border-box;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 4px;
}

input {
  letter-spacing: 2px;
}

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

input[type="password"] {
  margin-bottom: 20px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

input:focus {
  outline: none;
  border-color: #0bb2df;
}

#submit_login_form {
  margin-top: 15px; /* Abstand zwischen Checkbox und Button */
}

.button-login {
  text-transform: uppercase;
  outline: 0;
  background: rgb(46, 168, 224, 0.5);
  width: 100%;
  border: 0;
  padding: 15px;
  color: black;
  font-size: 14px;
  -webkit-transition: all 0.3 ease;
  cursor: pointer;
}

.button-login:hover,
.button-login:active,
.button-login:focus {
  background: rgba(64, 172, 223, 0.75);
}

.no_login {
  text-transform: uppercase;
}

a {
  text-decoration: none;
  color: #0bb2df;
}

#username_div {
  margin-bottom: 15px;
}