.body_size{
  margin-right: 250px;
  margin-left: 250px;
  margin-top:50px;
  padding-top: 50px;
  padding-bottom: 100px;
  background-color: #87cefa;
  position: relative;
  font-size:100%;
  height:auto;
  width:auto;
}
.resizeimage img { width: 100%;
}

.resizeimage video { width: 100%;
}

.Adjustment-1{
  padding-left:50px;
}

.copy-right{
  position: absolute;
    bottom: 0;
}

p{
  padding-right: 50px;
  padding-left: 30px;
}

h1{
  text-align: center;
}

h2{
  padding-left: 30px;
}

h3{
  padding-left: 15px;
  padding-right: 15px;
}

h4{
  padding-left:15px;
  }

ul.sidenav {
	list-style-type: none;
	margin: 0;
	padding: 0;
	width: 200px;
	background-color: #f1f1f1;
	position: relative;
	overflow: auto;
}

ul.sidenav li a {
	display: block;
	color: #000000;
	padding: 8px 16px;
	text-decoration: none;
}

ul.sidenav li a.active {
	background-color: #da3c41;
	color: white;
}

ul.sidenav li a:hover:not(.active) {
	background-color: #1b2538;
	color: white;
}

div.content {
	margin-left: 25%;
	padding: 1px 16px;
	height: 1000px;
}

@media screen and (max-width: 900px) {
	ul.sidenav {
		width: 100%;
		height: auto;
		position: relative;
	}
	ul.sidenav li a {
		float: left;
		padding: 15px;
	}
	div.content {
		margin-left: 0;
	}
  p{
    font-size:100%
  }
  .body_size{
    margin-right: 100px;
    margin-left: 100px;
    margin-top:30px;
    padding-top: 30px;
    padding-bottom: 70px;
    background-color: #87cefa;
    position: relative;
    height:auto;
    width:auto;
    font-size:100%;
  }
}


@media screen and (max-width: 480px){
  .body_size{
    margin-right: 50px;
    margin-left: 50px;
    margin-top:20px;
    padding-top: 20px;
    padding-bottom: 50px;
    background-color: #87cefa;
    position: relative;
    font-size:100%;
    height:auto;
    width:auto;
  }

  ul.sidenav li a {
    text-align: center;
    float: none;
  }

img {
width: 100% ;
}
.nemu-ba{
  display: none;
}

#nav {
  list-style: none;
  overflow: hidden;
}

#nav li {
  width: 140px;
  text-align: center;
  background-color: #333;
  float: left;
  height: 50px;
  line-height: 50px;
  margin-right: 2px;
}

#nav li a {
  text-decoration: none;
  color: #fff;
  font-weight: bold;
  padding: 20px;
}
}