.navbar {
  transition: all 0.5s ease-in-out;
}

.navbar-sticky {
  opacity: 0.9;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.header {
  background: url(../images/header-background.jpg) center center no-repeat;
  background-size: cover;
}

@media (max-wdith: 100px) {
  .hero .image-container {
    display: flex;
    justify-content: center;
  }
  .hero .text-container {
    text-align: center;
  }
}