/* @media only screen and (min-width: 768px) { */
    /* For Desktop: */
    /* [id*="tblvdteach"] {
        
      }
      [id*="tblvdstud"] {
        
      }
      [id*="tblteacher"] {
        
      }
      [id*="tblstud"] {
        
      }
      [id*="tblsupportcon"]{
          
      }
} */

@media only screen and (max-width: 768px) 
{
    /* For mobile phones: */
    [id*="tblvdteach"] {
      width: 100%;
    }
    [id*="tblvdstud"] {
      width: 100%;
    }
    [id*="tblteacher"] {
      width: 100%;
    }
    [id*="tblstud"] {
      width: 100%;
    }
    [header] {
      width: 100%;
    }
    [id*="catname"]{
        width: 100%;
    }
    [id*="tblsupportcon"]{
        width: 100%;
    }
}
#tblteacher no::before
{
    
    counter-increment: my-first-counter;
    content:  counter(my-first-counter) ". ";
}
#tblstud no::before
{
    counter-increment: my-sec-counter;
    content:  counter(my-sec-counter) ". ";
}
#tblvdteach no::before
{
    counter-increment: my-third-counter;
    content:  counter(my-third-counter) ". ";
}
#tblvdstud no::before
{
    counter-increment: my-fourth-counter;
    content:  counter(my-fourth-counter) ". ";
}

@media only screen and (max-width: 600px) 
{
    /* For mobile phones: */
    header {
       min-height: 121px;
       overflow: hidden;
    }
    footer 
    {
        min-height: auto;
     }
     .envelop
    {
        content: "\a";
    }
}
header {
    height: 100px;
    width: 100%;
    border: 1px solid black;
    text-align: center;
    color: white;
    background-color: #003560;
}
footer
{
    border-bottom: 5px solid #af7b00 !important;
    margin-top: 30px;
    height:auto;width: 100%;
    border: 1px solid black;
    text-align: center;
    color: white;
    background-color: #003560;
}
footer h4
{
    color: white;
}
a 
{
    color: #003560;
    text-decoration: none;
    text-align: center;
}

a:hover 
{
    text-decoration: none;
    color:  #af7b00;
}
footer a
{
    color: white;
}
#imglogo
{
    height:100px; 
    width: 100px; 
    float: left;
}
#catname
{
    color:#003560 ; 
    height: 50px; 
    width: 300px; 
    box-shadow: 1px 2px 3px 0px black;
    text-align: center; margin-top: 20px;
    padding-top: 5px;
}
#divcontainer
{
    overflow:scroll;
}
#tblteacher
{
    counter-reset: my-first-counter;
    margin-top: 20px; 
    text-align: center; 
    float: left;
}
thead
{
    background-color:#003560; 
    color: white;
    text-align: center;
}
h4{
    color:  #af7b00;
}
#tblstud
{
    counter-reset: my-sec-counter;
    margin-top: 20px; 
    text-align: center; 
    float: right;
}
#tblvdteach
{   
    counter-reset: my-third-counter;
    margin-top: 20px; 
    text-align: center; float: left;
}
#tblvdstud
{   
    counter-reset: my-fourth-counter;
    margin-top: 20px; 
    text-align: center; 
    float: right;
}
#tblsupportcon
{
    text-align: left;
}
.back-to-top 
{
    position: fixed;
    bottom: 25px;
    right: 25px;
    display: none;
}
.scrollToTop
{
    background-image: initial;
    background-position-x: initial;
    background-position-y: initial;
    background-size: initial;
    background-attachment: initial;
    background-origin: initial;
    background-clip: initial;
    background-color: rgba(0, 0, 0, 0.3);
}