html,
body {
  height: 100%;
}

body {
  display: -ms-flexbox;
  display: -webkit-box;
  display: flex;
  -ms-flex-align: center;
  -ms-flex-pack: center;
  -webkit-box-align: center;
  align-items: center;
  -webkit-box-pack: center;
  justify-content: center;
  padding-top: 40px;
  padding-bottom: 40px;
  background-color: #15C9CD;
  background-image: url(../img/bg-pattern.png), linear-gradient(to left, #8787ff, #15C9CD);
}

.card-login {
  width: 90%;
  max-width: 380px;
  margin: 0 auto;
}
#login-form .checkbox {
  font-weight: 400;
}
#login-form .form-control {
  position: relative;
  box-sizing: border-box;
  height: auto;
  padding: 10px;
  font-size: 16px;
}
#login-form .form-control:focus {
  z-index: 2;
}
#login-form .help-block {
    font-size: 13px;
    color: #dc3545;
    line-height: 1.3em;
    margin-top: 5px;
}