body {
	background-color: #E0E0E0;
	top: 90px;
}

img {
	position: relative;
	margin-top: 60px;
	margin-bottom: 70px;
	width: 50%;
}

video {
	position: relative;
	margin-top: 60px;
}

.container-1 {
	text-align: center;
	position: relative;
}

.container-2 {
	display: inline-block;
	position: relative;
}

#all {
	position: relative;
	text-align: center;
	background-color: black;
	border-style: solid;
	width: 100%;
	height: 100%;
}

.dropbtn {
  background-color: #4CAF50;
  color: white;
  padding: 16px;
  font-size: 16px;
  border: none;
}

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f1f1f1;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

.dropdown-content a {
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
}

.dropdown-content a:hover {background-color: #ddd;}

.dropdown:hover .dropdown-content {display: block;}

.dropdown:hover .dropbtn {background-color: #3e8e41;}

.top-left {
	position: relative;
	top: 10px;
	left: 10px;
}

.center {
	text-align: center;
}

.container-3 {
	text-align: left;
	position: relative;
	width: 50%;
	display: inline-block;
}

.myButton {
	display: inline-block;
	margin-top: 60px;
	height: 60px;
	width: 160px;
	font-size: 20px;
	background-color: gray;
	border-radius: 12px;
	-webkit-transition-duration: 0.8s;
  	transition-duration: 0.8s;
  	box-shadow: 0 9px #999;
}

button:hover {
	cursor: pointer;
	background-color: blue;

.button:active {
    box-shadow: 0 5px #999;
    transform: translateY(4px);
}

div.container-3 {
  -webkit-transition: width 2s; /* For Safari 3.1 to 6.0 */
  transition: width 2s;
}

div.container-3:hover {
  width: 300px;