html, body {
  height: 100%;
  background-color: #8ac7e2; //světle modrá
}
.loginbox {
  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;
}
.form-signin {
  width: 100%;
  max-width: 330px;
  padding: 15px;
  margin: 0 auto;
  border-radius: 20px;
  box-shadow: 0px 0px 11px -4px #00000087;
}
.form-signin:hover {
  box-shadow: 0px 0px 11px -2px #00000087;
  transition: 0.5s;
}
.form-signin .checkbox {
  font-weight: 400;
}
.form-signin .form-control {
  position: relative;
  box-sizing: border-box;
  height: auto;
  padding: 10px;
  font-size: 16px;
}
.form-signin .form-control:focus {
  z-index: 2;
}
.form-signin input[type="email"] {
  margin-bottom: -1px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}
.form-signin input[type="password"] {
  margin-bottom: 1px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}
.login-icon {
  margin-top: -50px;
  filter: drop-shadow(1px 2px 5px #999);
}
.nadpis {
  color: #dbeef6;
  background-color: #4b6375;
  padding: 5px;
  box-shadow: 0px 3px 0px 0px #4ca2e6;
}
.login-nadpis {
  text-decoration: underline;
  text-decoration-color: #008eff;
  text-decoration-thickness: 0.2rem;
  text-underline-offset: 0.2rem;
}
.loginerror {
  margin-right: -25;
  margin-left: -25;
  margin-bottom: -25px;
  padding: 25px;
  border-bottom-right-radius: 20px;
  border-bottom-left-radius: 20px;
  border-top-left-radius: 0px;
  border-top-right-radius: 0px;
  animation: slide-top 0.5s cubic-bezier(0.250, 0.460, 0.450, 0.940) both;
}
.forgot-password {
  color: blue;
  cursor: pointer;
  padding: 3px;
}
.forgot-password:hover {
  color: blue;
}