div#nav_bar
{
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding: 0 6px;  
  background-color: #bdaeac; 
  border-bottom: 3px solid gray;
}

div#nav_bar > div
{
  margin: 4px 0;    
}

div#nav_bar > div:first-child
{
  margin-right: 2em;
}

div#nav_bar a
{
  text-decoration: none;
  color: #102831;  
}

div#filter_box
{
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

div#filter_box div#filter_caption
{
  margin-right: 4px;  
}