html,
body {
  height: 100%;
  font-size: small;
}

body {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: center;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 40px;
  background-color: #f5f5f5;
}

.form-signin {
  width: 100%;
  max-width: 250px;
  padding: 15px;
  margin: auto;
}
.form-signin .checkbox {
  font-weight: 400;
}
.form-signin .form-control {
  position: relative;
  box-sizing: border-box;
  height: auto;
  padding: 10px;
  font-size: 14px;
}
.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: 10px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.bd-placeholder-img {
  font-size: 1rem;
  text-anchor: middle;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

@media (min-width: 768px) {
  .bd-placeholder-img-lg {
    font-size: 1.5rem;
  }
}

.message {
  padding: 10px;
  color: #ff0000;
  background-color: #f0f0f0;
}

#buttonContainer {
  width: 300px;
  text-align: center;
}

.container {
  display: flex;
  justify-content: center; /* Centers horizontally */
  align-items: center; /* Centers vertically */
  height: 100vh; /* Use full viewport height */
}

.spinner {
  border: 4px solid rgba(0, 0, 0, 0.1);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border-left-color: #299851;
  animation: spin 1s ease infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}