.image-placeholder {
    width: 100%;
    height: 500px; 
    background-color: #ddd; 
    display: flex;
    align-items: center;
    justify-content: center;
}
.btn-light,
.btn-light:hover,
.btn-light:focus {
  color: #333;
  text-shadow: none;
}
.profile-img {
    width: 100%;
    height: auto;
    max-height: 300px;
    object-fit: contain;
  }

html, body {
  height: 100%;
  margin: 0;
}

body.home {
  display: flex;
  flex-direction: column;

  background-image: url('img/zoom.jpg');
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;

  text-shadow: 0 .05rem .1rem rgba(0, 0, 0, .5);
  box-shadow: inset 0 0 5rem rgba(0, 0, 0, .5);
}
body.other {
  background-color: #191A1C;
  color: #fff;
}

.cover-container {
  max-width: 75vw;
  min-height: 100vh;
  flex-grow: 1;
  position: relative;
}

.nav-masthead .nav-link {
  color: rgba(255, 255, 255, .5);
  border-bottom: .25rem solid transparent;
}

.nav-masthead .nav-link:hover,
.nav-masthead .nav-link:focus {
  border-bottom-color: rgba(255, 255, 255, .25);
}

.nav-masthead .nav-link + .nav-link {
  margin-left: 1rem;
}

.nav-masthead .active {
  color: #fff;
  border-bottom-color: #fff;
}
@media (min-width: 768px) {
    .profile-img {
      height: 400px;
      max-height: 400px;
      object-fit: cover;
    }
}