.left
{
  float: left;
  margin-left: 5%;
}

.right
{
  float: right;
  margin-right: 5%;
}
.headtable
{
	clear: both;
	margin-left: 5%;
	margin-right: 5%;
	border-style: dashed;
	font-size: 16px;
	

}
.r1
{
	 float: right;
}

.leftbody
{
	margin-left: 7%;
	font-size: 16px;
	margin-right:7%;
}

.tablecenter {
  margin-left: auto; 
  margin-right: auto;
  font-size: 16px;
}

.button {
  background-color: #4CAF50; /* Green */
  border: none;
  color: white;
  padding: 20px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
}
.button5 {border-radius: 50%;}

img {
  opacity: 0.5;
}