.dt-button{
    cursor: pointer;

}


.disabled{
    cursor: default;
    border: solid #fff;
    width: 100%;
    background: #ffffff;
    color: #FFF;
}

.disabled hover{
    cursor: default;
    border: solid #fff;
    width: 100%;
    background: #ffffff;
    color: #FFF;
}

#dvrs th{
    font-size: .9em;
    text-align: center;
}

#dvrs td{
    font-size: .9em;
    text-align: center;
}

/* Add a black background color to the top navigation */
.topnav {
    background-color: #333;
    overflow: hidden;
  }

  /* Style the links inside the navigation bar */
  .topnav a {
    float: left;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
  }

  /* Change the color of links on hover */
  .topnav a:hover {
    background-color: #ddd;
    color: black;
  }

  /* Add a color to the active/current link */
  .topnav a.active {
    background-color: #4CAF50;
    color: white;
  }