.sidebar {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;   
  background-color: #ffffff; /* dddddd */
  border: 1px solid #cccccc;
  overflow-x: hidden;
  transition: 0.4s;
  padding-top: 40px;
  opacity: 1;
}

.sidebar a {
  margin: 0;
  height: 18px;
  padding: 0px 5px 5px 10px;
  text-decoration: none;
  font-size: 13px;  
  text-align: left;
  display: block;
  color: #000000;
  border-bottom: 1px solid #e6e6e6;
}

.sidebar a:active {
  color: #000000;  
}

.sidebar a:visited {
  color: #000000;
}

.sidebar a:hover {
  color: #000000;
  background-color: #e6e6e6; /* 009879 */
}

.sidebar .closebtn {		/* X close */
  position: absolute;  /*static  absolute */
  top: 0;
  right: 0px;
  font-size: 30px;  /* 35px */
  margin-left: 0px;
  margin-right: 0px;
  color: #262626;
  font-weight: none;
  text-decoration: none;
  border-bottom: 0px solid #e6e6e6;
}

.sidebar .closebtn:hover {
  background-color: #ffffff;  
  color: #262626;
/*  transform: scale(1.3); Zoom 1.3 1.5*/
}

.openbtn {				/* Click show sidebar */
  /*font-size: 2px;  */
  cursor: pointer;
  background-color: #1abc9c; /* 38aee0 */
  color: white;
  padding: 5px 5px;
  border: none;
  border-radius: 0px;
}

.openbtn:hover {
  background-color: #009879; /* 1f94c7 */
}

#main {
  transition: margin-left .5s;
  padding: 16px;
}

/* On smaller screens, where height is less than 450px, change the style of the sidenav (less padding and a smaller font size) */
@media screen and (max-height: 450px) {
  .sidebar {padding-top: 15px;}
  .sidebar a {font-size: 18px;}
}