html, body{
  font-family:"Arial", Serif;
  background-color:#f4f4f4;
  overflow-x:hidden;
}

.navbar{
  background-color:#3b5998;
  overflow:hidden;
  height:63px;
}

.navbar a{
  float:left;
  display:block;
  color:#f2f2f2;
  text-align:center;
  padding:14px 16px;
  text-decoration:none;
  font-size:17px;
}

.navbar ul{
  margin:8px 0 0 0;
  list-style:none;
}

.navbar a:hover{
  background-color:#ddd;
  color:#000;
}

.side-nav{
  height:100%;
  width:0;
  position:fixed;
  z-index:1;
  top:0;
  left:0;
  background-color:#111;
  opacity:0.9;
  overflow-x:hidden;
  padding-top:60px;
  transition:0.5s;
}

.side-nav a{
  padding:10px 10px 10px 30px;
  text-decoration:none;
  font-size:22px;
  color:#ccc;
  display:block;
  transition:0.3s;
}

.side-nav a:hover{
  color:#fff;
}

.side-nav .btn-close{
  position:absolute;
  top:0;
  right:22px;
  font-size:36px;
  margin-left:50px;
}

#main{
  transition:margin-left 0.5s;
  text-align: center;
  padding:20px;
  overflow:hidden;
}

@media(max-width:568px){
  .navbar-nav{display:none}
}

@media(min-width:568px){
  /*.open-slide{display:none}*/
}

#main-image{

  background-position: center;
  background-repeat: no-repeat;
  background-size:100%;
  min-height: 400px;
  margin-bottom: 30px;
  text-align: center;
 
}

#main-footer{

  background:#3b5998;
  color:white;
  padding:2px;
  text-align: center;
  margin-top: 0;

}

#first-para{
  border:3px solid #3b5998;
  padding:10px;
  box-sizing: border-box;
  background-color: f4f4f4;
  margin-left:20%;
  margin-right:20%;
  text-align: center;
  margin-bottom: 35px;

}

iframe {
  display: block;
  border:3px solid #3b5998;
  padding: 10px;
  box-sizing: border-box;
  margin-left: auto;
  margin-right: auto;
  width: 1000px;
  height: 800px;
  max-width: 100%;
  margin-bottom: 35px;
  text-align: center;
  overflow-x: hidden;

}

th, td {
  border: 3px solid #3b5998;
}

th, td {
  padding: 15px;
}

table{

  text-align: center;
  margin-left: auto;
  margin-right: auto; 
  margin-bottom: 35px;
}