:root {
  --width-button: 100px;
  --height-button: 100px;
}
body {
  /* background: white; */
  padding-top: 0px;
}
.wrapper {
  width: 90%;
  max-width: 90%;
  margin: 0 auto;
  background-color: white;
  padding-top: 20px;
}
.header-app {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
}
.app-logo img {
  max-height: 90px;
}
.slider {
  display: block;
}
.camera_wrap {
  float: none;
}
.button-container {
  margin: 10px auto;
  width: var(--width-button);
  height: var(--height-button);
  background-color: #91d6e7;
  border-radius: 50%;
}
.button-container:hover {
  background-color: #15395c;
}
.button-container span {
  position: absolute;
  margin-left: -78px;
  margin-top: 38px;
  font-size: 16px;
  opacity: 0;
}
.button-container:hover span {
  color: white;
  opacity: 1;
}
.main-button img {
  width: var(--width-button);
  height: var(--height-button);
  -webkit-transition: opacity 0.35s linear;
  transition: opacity 0.35s linear;
}
.main-button:hover img {
  opacity: 0;
}
.separator {
  width: 55px;
  margin: 20px auto;
  height: 2px;
  background-color: #4d4d4d;
}
.main-content {
  text-align: center;
  margin-bottom: 20px;
}
.courses-container {
  margin-top: 25px;
  display: flex;
  flex-direction: row;
  justify-content: center;
}
.coursebox {
  margin: 10px 25px;
}
.main-text {
  width: 50%;
  max-width: 50%;
  margin: 0 auto;
  color: #4d4d4d;
  font-size: 18px;
  margin-bottom: 20px;
}
#page-footer {
  margin-top: 10px;
}
.footer {
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
}
.footerlinks {
  border-top: 0;
}
.addresses p {
  margin-bottom: 3px;
}
.addresses img {
  width: 12px;
  height: auto;
  margin-left: 4px;
}
.links-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.links-container p {
  margin-bottom: 2px;
  text-align: center;
}
.links-container a {
  color: white !important;
}
.social-network-container {
  display: flex;
  justify-content: center;
}
.social-network img {
  margin-top: 5px;
  width: 30px;
  height: 30px;
  padding: 3px;
}
/* width of the search field */
/* .navbar #search {
  width: 200px;
} */

.custom-modal {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  transition: opacity 500ms;
  visibility: hidden;
  opacity: 0;
}

.popup {
  margin: 120px auto;
  padding: 20px;
  background: #fff;
  border-radius: 5px;
  width: 40%;
  position: relative;
  transition: all 1s ease-in-out;
}

.popup h3 {
  margin-top: 0;
  color: #333;
}
.popup .close {
  position: absolute;
  top: 20px;
  right: 30px;
  transition: all 200ms;
  font-size: 30px;
  font-weight: bold;
  text-decoration: none;
  color: #333;
}
.popup .close:hover {
  color: #06d85f;
}
.popup .content {
  max-height: 30%;
  overflow: auto;
}

@media screen and (max-width: 700px) {
  .popup {
    width: 70%;
  }
}

@media only screen and (max-width: 1024px) {
  .main-text {
    width: 75%;
    max-width: 75%;
  }
}
@media only screen and (max-width: 680px) {
  .logo {
    max-width: 120px;
  }
  .app-logo img {
    max-width: 180px;
  }
  .main-text {
    width: 95%;
    max-width: 95%;
  }
  .footer {
    display: flex;
    flex-direction: column;
  }
  .links-container {
    margin-top: 10px;
  }
  .courses-container {
    margin-top: 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}