body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

.body-container {
  padding-top: 10vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  text-align: left;
}
.body-container .buttons {
  float: left;
  margin-top: 10px;
  margin-left: 10px;
}
.body-container .buttons .button {
  background-color: #151d5ca5;
  padding: 3px 10px 3px 5px;
  width: fit-content;
  float: left;
  margin-left: 4px;
}

.body-container .buttons .active {
  background-color: #151d5c;
  padding: 3px 10px 3px 5px;
  width: fit-content;
  float: left;
  margin-left: 4px;
}

.body-container .buttons a {
  text-decoration: none;
  color: white;
}

.flex-container {
  display: flex;
  flex-direction: row;
  padding: 5px 5%;
}

.flex-item {
  background-color: rgba(255, 255, 255, 0.8);
  width: 50%;
  font-size: 1.2em;
  text-align: justify;
}
.flex-container img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 35%;
  min-width: 200px;
  height: auto;
}

.youtube-video {
  display: block;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 30px;
  margin-top: 10px;
  width: 50%;
  height: auto;
}

.videowrapper {
  float: none;
  clear: both;
  width: 100%;
  position: relative;
  padding-bottom: 56.25%;

  height: 0;
}
.videowrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.flex-container-3 {
  margin-top: 40px;
  display: flex;
  flex-direction: row;
}
.flex-item-3 {
  background-color: rgba(255, 255, 255, 0.8);

  font-size: 18px;
  text-align: center;
}

.flex-item-3 img {
  height: 150px;
}

.flex-container-ap {
  display: flex;
  flex-direction: row;
  padding: 5px 5%;
  margin-bottom: 30px;
}

.flex-container-ap a {
  text-decoration: none;
  color: #000000;
  background-color: rgba(255, 255, 255, 0.8);
  width: 50%;
  font-size: 1.2em;
  text-align: center;
}

.flex-container-ap a img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  height: 150px;
}

h4 {
  text-align: center;
  font-size: 150%;
}

.second-container {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 70%;
}

@media screen and (max-width: 768px) {
  .flex-container {
    display: flex;
    flex-direction: column;
    margin-top: 150px;
  }

  .flex-item {
    width: 100%;
  }

  .flex-item h3 {
    text-align: center;
  }

  .flex-container-3 {
    display: flex;
    flex-direction: column;
  }

  .flex-container-ap {
    display: flex;
    flex-direction: column;
  }
  .flex-container-ap a {
    width: 100%;
  }

  .second-container {
    margin-bottom: 150px;
  }
}