body {
  --nav-bar: #064663;
  --nav-body: #eee;
  --active: #ffb820d7;
}
body {
  overflow-x: hidden;
}
.navbar {
  background-color: var(--nav-bar);
}
.navbar a {
  color: var(--nav-body);
}
.navbar a:hover {
  color: var(--active);
}
.active {
  color: var(--active);
}
.carousel img {
  width: 100%;
  height: 80vh;
  opacity: 0.8;
}
/* about us */
.about {
  margin: 30px 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--nav-bar);
}
.about > div {
  padding: 50px;
}
.about img {
  width: 80vh;
  border-radius: 15px;
  border: 1px solid var(--nav-bar);
  box-shadow: 0 0 28px rgb(92, 90, 90);
}
.about span {
  color: rgb(71, 63, 63);
}
/* cards */
.cards {
  margin: 30px;
  padding: 10px 50px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.crd-body {
  display: flex;
}
.crd {
  margin: 1px;
  color: var(--nav-bar);
  padding: 30px;

  background: rgba(255, 184, 32, 0.7);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  backdrop-filter: blur(4.5px);
  -webkit-backdrop-filter: blur(4.5px);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

/* galerry */

.rw {
  display: -ms-flexbox; /* IE10 */
  display: flex;
  -ms-flex-wrap: wrap; /* IE10 */
  flex-wrap: wrap;
  padding: 0 4px;
  margin: 50px;
}

/* Create four equal columns that sits next to each other */
.column {
  -ms-flex: 25%; /* IE10 */
  flex: 25%;
  max-width: 25%;
  padding: 0 4px;
}

.column img {
  margin-top: 8px;
  vertical-align: middle;
  width: 100%;
}

/* Contact */
.contact{
  background-color: var(--nav-bar);
  padding: 50px;
}
#myBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  font-size: 18px;
  border: none;
  outline: none;
  background-color: var(--active);
  color: #eee;
  cursor: pointer;
  padding: 10px 20px;
  border-radius: 50%;
}
/* Responsive layout - makes a two column-layout instead of four columns */
@media screen and (max-width: 800px) {
  .column {
    -ms-flex: 50%;
    flex: 50%;
    max-width: 50%;
  }
}

/* Responsive layout - makes the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 600px) {
  .column {
    -ms-flex: 100%;
    flex: 100%;
    max-width: 100%;
  }
}

/* media quiries */

@media only screen and (max-width: 800px) {
  .about {
    flex-direction: column;
  }
}
@media only screen and (max-width: 450px) {
  .about {
    flex-direction: column;
  }
  .about > div {
    padding: 5px;
  }
  .about img {
    margin-top: 30px;
    width: 40vh;
  }
  .cards {
    padding: 20px;
  }
  .crd {
    margin: 5px;
  }
  .crd-body {
    flex-direction: column;
  }
}