.container {
  /* main + topics + link */
  display: grid;
  width: 100%; gap: 10px;
  grid-template-columns: 3fr 1fr;
  grid-template-rows: minmax(450px, auto);
  grid-template-areas:
    "areaA areaB"
    "areaA areaC";
}

.container-narrow{
  /* main + topics + link */
  display: grid;
  width: 100%;
  grid-template-rows: 260px auto 100px;
  grid-template-areas:
    "areaB"
    "areaA"
    "areaC";
/*  
  border: solid 4px blue;
  box-sizing: border-box;
*/ 
}

.top_menu {
  display: block;
  grid-area: areaA;
 /* width: 660px; */
  width: 100%;
  text-align: center;
/*  
  border: solid 4px red;
  box-sizing: border-box;
*/  
}

.sidebar {
  position: -webkit-sticky;
  position: sticky;
  top: 125px;
  margin-bottom: 7vw;

  height: 70vw;
  width: 100%;
  grid-area: areaB;

  
  margin-right: 15px;
  border: none;
  box-sizing: border-box;
  padding-right: 15px;
  /*
border: none;
box-sizing: border-box;
background-coloer: #fff;

  border: solid 4px orange;
  box-sizing: border-box;
*/
}

.sidebar-narrow {

  height:200px;
  grid-area: areaB;

  
/*
  border: solid 4px orange;
  box-sizing: border-box;
*/  
}

.links {
  grid-area: areaC;
  position: -webkit-sticky;
  position: sticky;
  top: 90vw;
  height: 7vw;
  width: 100%
  font-size: 10px;
/*  border: none;
  box-sizing: border-box;
  background-color: #fff;

 
  border: solid 4px indigo;
  box-sizing: border-box;
  background-color: #fff;
*/  
}
.links a {
  text-align: center;
  text-decoration: none;
}

.links a:hover{
  color : #ff7043;
  filter:alpha(opacity=50);
  -ms-filter: "alpha(opacity=50)";
  -moz-opacity:0.5;
  -khtml-opacity: 0.5;
  opacity:0.5;
}

.links a:link {
  color: #191970;
}
.links a:visited{
  color: #800000;
}

.links img:hover {

  filter:alpha(opacity=50);
  -ms-filter: "alpha(opacity=50)";
  -moz-opacity:0.5;
  -khtml-opacity: 0.5;
  opacity:0.5;
  zoom:1;
  cursor: pointer;

}

.links img {
  width: 18vw;
}

.links-narrow {
  grid-area: areaC;
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
  bottom: 0;
  position: relative;
  height:100px;
  width: 100%
  background-color: #fff;
  font-size: 5px;
/*  
  border: solid 4px orange;
  box-sizing: border-box;
*/  
}

.links-narrow a{
  color: #191970;
  text-decoration: none;
  font-size: 3vw;

}

.links-narrow a:hover{
  color : #ff7043;
  filter:alpha(opacity=50);
  -ms-filter: "alpha(opacity=50)";
  -moz-opacity:0.5;
  -khtml-opacity: 0.5;
  opacity:0.5;
}

.links-narrow a:visited{
  color: #800000;
}

.links-narrow img {
  width: 30vw;
}

.links-narrow img:hover {

  filter:alpha(opacity=50);
  -ms-filter: "alpha(opacity=50)";
  -moz-opacity:0.5;
  -khtml-opacity: 0.5;
  opacity:0.5;
  zoom:1;
  cursor: pointer;

}
