body {
  position: relative;
}

.affix {
  top: 0px;
  margin-bottom: 50px;
  width: 90%;
}
 
@media (min-width: 1200px) {
  .affix {
    width: 90%;
  }         
}

.affix-bottom {
  position: absolute;
  width: 90%;
}
 
@media (min-width: 1200px) {
  .affix-bottom {
    width: 90%;
  }
}

/*
.nav .nav li {
    line-height: 60px;
}
@media (min-width: 768px) {
  .nav .nav li {
    line-height: .75em;
  }
  .nav li {
    line-height: .75em;
  }

}
*/
.nav .active {
  font-weight: bold;
  
}
 
.nav .nav {
  display: none;
}
 
.nav .active .nav {
  display: block;
}
 
.nav .nav a {
  font-weight: normal;
  font-size: .85em;
  /*color:rgba(0,0,0,1);*/
}

/*
.nav a {
 font-size: 1em;
 color:rgba(0,0,0,1);
}
 */
.nav .nav span {
  margin: 0 5px 0 2px;
}

.nav .active a,
.nav .active:hover a,
.nav .active:focus a {  
 background: rgba(200,200,200,0.2);
}
 
.nav .nav .active a,
.nav .nav .active:hover a,
.nav .nav .active:focus a {
  font-weight: bold;
  padding-left: 10px;
  border-left: 2px solid black;
}

.nav .nav a {
  padding:5px;
  padding-left: 15px;
}
 
.nav .nav .active span,
.nav .nav .active:hover span,
.nav .nav .active:focus span {
  display: none;
}