.hotspot { 
  position: absolute;
  cursor: pointer;
}

.hotspot.label { 
  text-align: center;
  overflow: visible;
}


.hotspot.label .content {
  position: absolute;
  border: 3px solid black;
  padding: 10px;
}

.hotspot.image { 
  overflow: visible;
}
.hotspot.image .content { 
  position: absolute;
}

.popup {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-direction: normal;
    -moz-box-direction: normal;
    -webkit-box-orient: horizontal;
    -moz-box-orient: horizontal;
    -webkit-flex-direction: row;
    -ms-flex-direction: row;
    flex-direction: row;
    -webkit-flex-wrap: nowrap;
    -ms-flex-wrap: nowrap;
    flex-wrap: nowrap;
    -webkit-box-pack: center;
    -moz-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-align-content: stretch;
    -ms-flex-line-pack: stretch;
    align-content: stretch;
    -webkit-box-align: start;
    -moz-box-align: start;
    -webkit-align-items: flex-start;
    -ms-flex-align: start;
    align-items: flex-start;

  position: absolute;

  border: 2px solid #888888;
  border-radius: 10px;
  padding: 10px;
  background-size: auto;
  min-width: 50px;
  min-height: 50px;

  max-width: 95%;
  max-height: 95%;

  overflow-x: hidden;
  overflow-y: auto;

  box-sizing: border-box;
}

.popup.hidden:not(.almostvisible) { 
  display: none;
}

.popup.hidden.almostvisible { 
  opacity: 0.01;
}
.popupcontent {
    -webkit-box-ordinal-group: 1;
    -moz-box-ordinal-group: 1;
    -webkit-order: 0;
    -ms-flex-order: 0;
    order: 0;
    -webkit-box-flex: 0;
    -moz-box-flex: 0;
    -webkit-flex: 0 1 auto;
    -ms-flex: 0 1 auto;
    flex: 0 1 auto;

  padding: 0px;
  margin: 0px;

  max-width: 100%;
  max-height: 100%;
  overflow: hidden;
}

.popupcontent.bw-richtext.large { 
  min-width: 300px;
}
.popupcontent img { 
  max-width: 100%;
  max-height: 100%;
 }

.triangle { 
  width: 50px;
  height: 50px;
  position: absolute;
  overflow: hidden;
  border: none;
}

.triangle:after {
  content: "";
  position: absolute;
  width: 25px;
  height: 25px;
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  box-shadow: -1px -1px 10px -2px rgba(0,0,0,0.5);
  border: 1px solid #888888;
}

.lefttriangle:after { 
  top: 13px;
  left: 38px;
}
.righttriangle:after { 
  top: 13px;
  left: -14px;
}
.toptriangle:after { 
  top: 38px;
  left: 13px;
}
.bottomtriangle:after { 
  top: -14px;
  left: 13px;
}

.webpopup { 
  overflow: auto;
  max-width: 100%;
  max-height: 100%;
}

.webpopup iframe { 
  max-width: 100%;
  max-height: 100%;
}

#tools { 
  position: absolute;
  bottom: 10px;
  right: 10px;
  height: 38px;
  width: 88px;
}

.ibw-platform-osx-ibooks #tools {
  left: 924px;
  top: 720px;
}

.ibw-platform-osx-ibooks.vertical #tools {
  left: 668px;
  top: 976px;
}

#zoomin, #zoomout { 
  width: 36px;
  height: 36px;
  margin: 3px;
}
circle { 
  stroke: black;
  stroke-width: 1;
  fill: orange;
}

line { 
  stroke: black;
  stroke-width: 3;
}

#tools.hidden { 
  display: none;
}

.ibw-platform-ipad-bookwidgets #zoomin, .ibw-platform-ipad-bookwidgets #zoomout,
.ibw-platform-android-chrome #zoomin, .ibw-platform-android-chrome #zoomout,
.ibw-platform-android #zoomin, .ibw-platform-android #zoomout
 { 
  display: none;
}