html, body {
  margin: 0;
  padding: 0;
}

* {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  font-family: "Roboto", sans-serif;
}

nav {
  background-color: rgba(179, 230, 200, 0.589);
  width: 100%;
  padding: 10px;
}

section {
  background-image: url(images/bg.jpg);
  background-position: center;
  background-size: cover;
  width: 100%;
  min-height: 100vh;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}

.content-container {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: 95%;
  max-width: 1200px;
  margin: 0 auto;
}

.flex-center {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  justify-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}

.text-container, .image-container {
  width: 50%;
  position: relative;
}

.btn {
  max-width: 200px;
  display: inline-block;
  margin: 10px;
}
.btn img {
  width: 100%;
}

h1 {
  font-size: 3rem;
  margin-bottom: 0;
}

.image-box {
  position: relative;
  margin: 0 auto;
}

.play-icon {
  width: 80px;
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
}
.play-icon img {
  width: 100%;
}

.media-zip {
  font-size: 14px;
}
.media-zip a {
  background-color: #bdbdbd;
  color: white;
  padding: 4px 8px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
}

@media only screen and (max-width: 776px) {
  .content-container {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
  .content-container .text-container {
    width: 95%;
    text-align: center;
  }
  .content-container .image-container {
    width: 95%;
  }
  .content-container .image-container .image-box {
    margin: 40px auto;
    max-width: 200px;
  }
  .content-container .image-container img {
    width: 100%;
  }
}