.sidenav {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 999;
    top: 0;
    right: 0;
    background-color:rgba(27, 181, 231, 0.94);
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 10%; z-index:9999; 
}

.sidenav a {
    padding: 8px 8px 8px 32px;
    text-decoration: none;
    font-size: 25px;
    color: #333;
    display: block;
    transition: 0.3s;
}

.sidenav a:hover {
    color: #f1f1f1;
}

.sidenav .closebtn {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 70px;
    margin-left: 50px;
}

#main2 {
    transition: margin-right .5s;
    padding:0;
}
.sidemenumain{ display:block;}
.sidemenumain .sidemenu{ display:block;}
.sidemenumain .sidemenu ul{ width:100%;}
.sidemenumain .sidemenu ul li{ width:100%;}
.sidemenumain .sidemenu ul li + li{ margin-top:10px;}
.sidemenumain .sidemenu ul li a{font-size:16px; text-align:center; padding:5px; display:block; color:#fff;}
@media only screen and (max-width:479px){  
.sidenav .closebtn { font-size:30px;}
.menumain button {right:-15px;}
}
@media screen and (max-height: 450px) {
  .sidenav {padding-top: 15px;}
  .sidenav a {font-size: 18px;}

   
}