@media (max-width:500px) { .tab { display:block; } }

@media (max-width: 500px) {
    #t1 {
        display: block;
width: 100%;
    }
    #t2 {
        display: block;
width: 100%;
    }
}


.table-striped>tbody>tr:nth-child(odd)>td, 
.table-striped>tbody>tr:nth-child(odd)>th {
   background-color: #EBECF0; 
 }
.table-hover tbody tr:hover td {
    background: #C0C0C0;
}


a {
  color: #3333FF;
  text-decoration: underline;
}

  a:visited {
    color: #551A8B;
    text-decoration: underline;
  }
  
.center-block {
    display: inline;
    }

body {
  font-family: 'Times New Roman';
}

hr {
  border-color: #000000;
}

.table-bordered > thead > tr > th, .table-bordered > tbody > tr > th, .table-bordered > tfoot > tr > th, .table-bordered > thead > tr > td, .table-bordered > tbody > tr > td, .table-bordered > tfoot > tr > td {
  border: 1px solid gray;
}

h1 small, h2 small, h3 small, h4 small, h5 small, h6 small, .h1 small, .h2 small, .h3 small, .h4 small, .h5 small, .h6 small, h1 .small, h2 .small, h3 .small, h4 .small, h5 .small, h6 .small, .h1 .small, .h2 .small, .h3 .small, .h4 .small, .h5 .small, .h6 .small {
  color: #333;
}