style.css

@import url("https://fonts.googleapis.com/css?family=Montserrat:400,400i,700");
@import url("https://fonts.googleapis.com/css?family=Open+Sans:400,400i,700");
@import url("https://cdn.jsdelivr.net/npm/bootstrap-icons@1.7.1/font/bootstrap-icons.css");
:root {
  --entry-header-height: calc(100vh - 56px);
  --entry-header-background: #e0e0e0;
  --entry-footer-background: #e0e0e0;
  --entry-footer-height: 25vh;
  --site-footer-color: #999;
}

* {
  outline: none;
}

html {
  font-size: 16px;
}

body {
  font-family: "Open Sans", sans-serif;
  color: #444;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
}

a {
  text-decoration: none;
}

main {
  min-height: 200vh;
}

.site-footer {
  color: var(--site-footer-color);
  font-size: 0.85rem;
}
.site-footer .card {
  color: inherit;
  background: transparent;
}
.site-footer .card .card-title {
  font-size: 1rem;
  text-transform: uppercase;
}
.site-footer .card .card-body ul {
  margin-left: 0;
}

.hentry .entry-header {
  background-color: var(--entry-header-background);
  display: flex;
  flex-flow: column no-wrap;
  justify-content: center;
  align-items: center;
  min-height: var(--entry-header-height);
}
.hentry .entry-content {
  min-height: 100vh;
}
.hentry .entry-footer .publish-on,
.hentry .entry-footer .writer {
  font-size: 0.85rem;
}

.social-media span {
  display: none;
}

.entry-header {
  background-image: url("https://i.ibb.co/TtsbP0k/glass-1513692655.jpg");
  background-position: center;
  background-size: cover;
}

.starter-template {
  color: #e0e0e0;
  -webkit-backdrop-filter: blur(8px) saturate(180%);
          backdrop-filter: blur(8px) saturate(180%);
  background-color: rgba(0, 0, 0, 0.233);
  border-radius: 1rem;
  border: 3px solid rgba(102, 58, 0, 0.3);
  box-shadow: -3px -3px 18px rgba(0, 77, 153, 0.3), 3px 3px 18px rgba(0, 26, 51, 0.7);
}

.modal-dialog {
  background: transparent;
  border-radius: 1rem;
}
.modal-dialog .modal-content {
  /* From https://css.glass */
  background: rgba(0, 0, 0, 0.473);
  border-radius: 1rem;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(6px) saturate(180%);
  -webkit-backdrop-filter: blur(6px) saturate(180%);
  border: 1px solid rgba(0, 51, 102, 0.8);
}
.modal-dialog .modal-content .modal-header {
  background: transparent;
  border: none;
}
.modal-dialog .modal-content .modal-header .modal-title {
  color: #fafafa;
}
.modal-dialog .modal-content .modal-body {
  color: #fafafa;
}
.modal-dialog .modal-content .modal-footer {
  background: transparent;
  border: none;
}