.sidenav_main { 
    width: 0; 
    height: 0;
    Top: 0;
    Left: 0;
    display:none;
    visibility: hidden;
    position: absolute; 
    z-index: 999; 
    background-color: white; 
    overflow: hidden;
    border: 0px;
    paddingTop: 0px;

    xxheight: 400px; 
    xxtransition: 0.5s; 
    xxtop: 100px; 
    xxleft: 50px; 
    xxdisplay:block;
    xxpadding-top: 60px; 
    xxborder: 10px solid #708090;
} 
.sidenav { 
    float: left;
    display:block;
    position: relative;
    width: 350px;
    height: 380px;
    margin-top:  1%;
    margin-left: .3%;
    background-color:white;
    xxborder-left: 1px solid #006600;
    border-radius: 8px;
    xxmargin-left: 10px;
    overflow:hidden;
} 
 .sidenav, .sidenav_main a { 
    padding: 8px 8px 8px 32px; 
    text-decoration: none; 
    text-align: left; 
    font-family: Verdana, Arial, Helvetica, Tahoma; 
    font-size: 14px; 
    xxcolor: #818181; 
    color: #708090; 
    display: block; 
    xxtransition: 0.3s; 
} 
 .sidenav p { 
    padding: 8px 8px 8px 32px; 
    text-decoration: none; 
    text-align: left; 
    font-size: 18px; 
    font-weight: bold; 
    color: white; 
    display: block; 
    transition: 0.3s; 
} 
 .sidenav a:link { 
    color: #708090; 
    font-weight: bold; 
    xxcolor: #818181; 
 } 
 .sidenav a:visited { 
    color: #708090; 
    font-weight: bold; 
 } 
 .sidenav a:hover { 
    color: #708090; 
    padding: 8px 8px 8px 26px; 
    text-decoration: none; 
    font-style: normal;
    border-left: 6px solid #006600;
} 
 .sidenav_main a:hover { 
    color: #708090; 
    border-left: 6px solid #006600;
    padding: 8px 8px 8px 26px; 
    text-decoration: none; 
    font-style: normal;
} 
 .sidenav_main .closebtnL { 
    position: absolute; 
    top: 0; 
    left: 0; 
    font-size: 36px; 
    margin-left: 0px; 
} 
 .sidenav .closebtn { 
    position: absolute; 
    top: 0; 
    right: 25px; 
    font-size: 36px; 
    margin-left: 50px; 
} 
 .sidenav .closebtnL { 
    position: absolute; 
    top: 0; 
    left: 0; 
    font-size: 36px; 
    margin-left: 0px; 
} 
 @media screen and (max-height: 450px) { 
  .sidenav {padding-top: 15px;} 
  .sidenav a {font-size: 18px;} 
}