.ref {
    /* font-weight: bold; */
    /* font-style: italic; */
    font-size: 0.5em;
    color: gray;
  }

.remark-code, .remark-inline-code {
    font-family: 'Source Code Pro', 'Lucida Console', Monaco, monospace;
    font-size: 80%;
    color: black
}

/* Two-column layout */
.left-column {
  width: 70%;
  height: 92%;
  float: left;
  color: black
}
.right-column {
  width: 28%;
  float: right;
  color: black
}
.left-column60 {
  width: 60%;
  height: 92%;
  float: left;
  color: black
}
.right-column60 {
  width: 36%;
  float: right;
  color: black
}
.negspace60
{
  margin-top: -60px;
}
.negspace100
{
  margin-top: -100px;
}
.negspace200
{
  margin-top: -200px;
}
.negspace50
{
  margin-top: -50px;
}
.negspace40
{
  margin-top: -40px;
}
.negspace30
{
  margin-top: -30px;
}

.negspace20
{
  margin-top: -20px;
}
.negspace10
{
  margin-top: -10px;
}


h2  {
  margin-top:1em;
}

h3  {
  margin-top:0em;
}

h4  {
  margin-top:0em;
}

.phantom{color:white}