.opc_on{
    color: #F4F2FF;   
}
.opc_off{
    color: #90BCFE;
}
.opc_off:hover{
    color: #B9D6FE;
    cursor: pointer;
}

a:link {
    text-decoration: none;
  }
  
  a:visited {
    text-decoration: none;
  }
  
  a:hover {
    text-decoration: none;
  }
  
  a:active {
    text-decoration: none;
  }