.mySlides {
  display: none;
}
.w3-left,
.w3-right,
.w3-badge {
  cursor: pointer;
}
.w3-badge {
  height: 13px;
  width: 13px;
  padding: 0;
}
nav a {
  display: block;
  text-decoration: none;
}
.w3-btn {
  text-decoration: none;
}

.video-container {
  position: relative;
  padding-bottom: 56.25%;
  padding-top: 30px;
  height: 0;
  overflow: hidden;
}

.video-container iframe,
.video-container object,
.video-container embed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.w120 {
  width: 120px;
}

.button {
  background-color: #1abc9c;
  border: none;
  color: white;
  padding: 7px 16px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 18px;
  margin: 4px 2px;
  cursor: pointer;
  border-radius: 6px;
  box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.button:hover {
  background-color: red;
  color: black;
  font-weight: bold;
  box-shadow: 0 12px 16px 0 rgba(0, 0, 0, 0.24),
    0 17px 50px 0 rgba(0, 0, 0, 0.19);
  font-style: italic;
}