.header {
  position: fixed;
  left: 0px;
  top: 0px;
  width: 100%;
  height: 46px;
  background: white;
  padding-left: 20px;

  border-bottom-style: solid;
  border-bottom-width: 1px;
  border-bottom-color: #0000E0;
  border-bottom-color: rgba(0, 0, 0, 0.25);
  box-shadow: 0px 0px 1px #000000;
  z-index: 1;
  overflow-y: hidden;
}

.menuitem {
  position: relative;
  top: 0px;
  height: 35px;
  line-height: 46px;
  margin-left: 16px;
  margin-right: 16px;

  color: black;
  color: rgba(0,0,0,0.87);
  font-family: 'AvenirNext','Helvetica Neue',Arial,Helvetica,sans-serif;
  font-size: 14px;
  font-weight: bold;

  float: left;
  cursor: pointer;
  text-decoration: none;
}

.menuitem.selected {
  border-bottom: 2px solid rgb(38, 38, 38);
}
.menuitem.selected:hover {
  border-bottom: 2px solid rgb(38, 38, 38, 0.5);
}

.content {
  position: absolute;
  left: 0px;
  top: 46px;
  bottom: 46px;
  width: 100%;
}

.iframe {
  position: absolute;
  width: 100%;
  height: 100%;
  border: none;
}

.footer {
  position: fixed;
  width: 100%;
  height: 46px;
  left: 0px;
  bottom: 0px;
  background: white;
  padding-left: 20px;

  border-top-style: solid;
  border-top-width: 1px;
  border-top-color: #0000E0;
  border-top-color: rgba(0, 0, 0, 0.25);
  box-shadow: 0px 0px 1px #000000;
  z-index: 1;
  overflow-y: hidden;
}