.top-spacing {
  margin-top: 56px;
}

.lead {
  font-weight: 700;
  font-size: 1.5rem;
}

/* schedule */
.schedule-content {
  background-color: #f7f7f7;
}

/* buttons */
.btn {
  min-width: 75px;
}

.btn.disabled,
.btn:disabled {
  opacity: 0.4;
}

#small-screen-message {
  display: none;
}

@media (max-width: 768px) {
  .schedule-content h5 {
    font-size: 1rem;
  }

  .btn {
    min-width: auto;
    font-size: 0.775rem;
  }
}

/* validations */
.is-invalid {
  color: #dc3545;
}

.is-valid {
  color: #28a745;
}

.form-control:disabled {
  border: none;
  border-color: transparent;
}

.form-control.is-valid:disabled,
.was-validated .form-control:valid:disabled {
  border-color: transparent;
  padding-right: initial;
  background-image: none;
}

/* Loading */
.loading {
  position: fixed;
  z-index: 999;
  height: 64px;
  width: 64px;
  overflow: show;
  margin: auto;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
}

.loading:before {
  content: '';
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: transparent;
}

.relative {
  position: relative;
}

.loading-small {
  height: 18px;
  width: 18px;
  z-index: 999;
  position: absolute;
  top: calc(50% - 18px + 4px); /* 4px equals bottom margin of container */
  left: calc(50% - 18px);
}