:root {
  --nav-height: 15vh;
  --footer-height: 15vh;
  --gold-fonts: rgb(184, 158, 40);
  --gold-hover: rgb(160, 138, 30);
  --banner-height: 50vh;
  --banner-width: 100vh;
}

.main-content {
  padding-top: var(--nav-height);
}

.golden-text {
  color: var(--gold-fonts);
}

.banner-background {
  height: var(--banner-height);
  width: var(--banner-width);
  background-size: cover;
  position: relative;
  color: white;
  text-shadow: 2px 2px 2px rgba(0, 0, 0, 0.2);
}

.banner-title {
  position: absolute;
  text-align: left;
  bottom: 0;
  left: 0;
  padding: 2.5%;
}

/* base.html */

.nav-fixed-top {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 1030;
}

.navbar {
  transition: background-color 0.3s ease;
  background-color: rgba(255, 255, 255, 1);
}

.btn-custom {
  color: #fff; /* white text */
  background-color: var(--gold-fonts);
  border-color: var(--gold-fonts);
  border-radius: 30px;
  padding: 15px 30px;
}

.btn-custom-contact {
  color: var(--gold-fonts);
  background-color: white;
}

.btn-custom:hover,
.btn-custom:focus,
.btn-custom:active {
  color: #fff;
  background-color: var(--gold-hover);
  border-color: var(--gold-hover);
}

.nav-size {
  height: var(--nav-height);
}

.footer-size {
  height: var(--footer-height);
}

/* index.html */

.image-container {
  height: calc(100vh - var(--nav-height) - var(--footer-height));
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center top;
  position: relative;
  overflow: hidden;
}

/* announcements.html */

.tile-height {
  height: 500px;
}

.image-tile {
  height: 500px;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  position: relative;
  overflow: hidden;
}

/* cv.html */

.research-banner {
  height: 500px;
}

.btn-custom-square {
  border-radius: 1px;
  padding: 15px 30px;
}

.education-margins {
  margin-left: 20vh;
  margin-right: 20vh;
}

.background-logo {
  position: absolute;
  background-position: center center;
  min-width: 100%;
  opacity: 0.025;
  z-index: -1;
}

/* contact.html */

.image-container-contact {
  background-position: center center;
}