html {
  font-size: 1rem;
}

@include media-breakpoint-up(sm) {
  html {
    font-size: 1.2rem;
  }
}

@include media-breakpoint-up(md) {
  html {
    font-size: 1.4rem;
  }
}

@include media-breakpoint-up(lg) {
  html {
    font-size: 1.6rem;
  }
}

.nav-linka  {
  color: #00ff00;
  
}
.nav-link active{
color: #fff;  
background-color: #00f;
}

.green  {
  color: #ff0000;
}

 
  div#description {
        background-color: gray;
        height: 50%;
        border: 2px black;
    }
    tr {
        line-height: 12px;
    }
    .container {
        height: 100%
    }
    table {
        height: 100%;
        white-space: nowrap;
    }
    #topics tr {
        line-height: 11px;
    }}