code {
  background-color: #F8F8F8 !important;
  max-height: 100px;
  overflow: scroll;
}

input[type='file'] {
  display: none;
}

#exercise_template_code {
  font-family: monospace;
}

// Graph Settings

.axis path {
  fill: none;
  stroke: #100;
  shape-rendering: crispEdges;
}
.axis line {
  fill: none;
  stroke: #999;
  //shape-rendering: crispEdges;
}

.y.axis path {
  display: none;
}

.line {
  fill: none;
  //stroke: orange;//steelblue;
  stroke-width: 2px;
}
.line2 {
  fill: none;
  //stroke: red;//steelblue;
  stroke-width: 3px;
}

div#chart_1 {
  background-color: #FAFAFA;
}

div#chart_2 {
  background-color: #FAFAFA;
}




.bar {
  fill: orange;
}

.bar:hover {
  fill:  #ffd897;
}



.d3-tip {
  line-height: 1;
  font-weight: bold;
  padding: 12px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  border-radius: 2px;
}

/* Creates a small triangle extender for the tooltip */
.d3-tip:after {
  box-sizing: border-box;
  display: inline;
  font-size: 10px;
  width: 100%;
  line-height: 1;
  color: rgba(0, 0, 0, 0.8);
  content: "\25BC";
  position: absolute;
  text-align: center;
}

/* Style northward tooltips differently */
.d3-tip.n:after {
  margin: -1px 0 0 0;
  top: 100%;
  left: 0;
}