tutorial.css

.example_frame {
  width: 125%;
  height: 125%;
  -ms-zoom: .8;
  -moz-transform-origin: 0 0;
  -moz-transform: scale(.8);
  -o-transform: scale(.8);
  -o-transform-origin: 0 0;
  -webkit-transform: scale(.8);
  -webkit-transform-origin: 0 0;
}


/* 
Your basic centered image
*/
.knit_image {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

/*
This will place a small black border around an image and also add some padding
to the top and bottom of an image. 
*/
.knit_border {
  display: block;
  border: solid black;
  border-radius: 5px;
  box-shadow: 10px 10px 20px -5px gray;
  margin-top: 10px;
  margin-bottom: 20px;
}


/*
Defining widths for displaying window sizes. The small window looks a bit silly
in the center, so it's placed to the left. These are used with .knit_border and
.knit_image
*/
.big_window {
  width: 90%;
}
.med_window {
  width: 75%;
}
.small_window {
  width: 50%;
  margin-left: 0;
}


.rmd_example_outer {
  width: 100%;
}

.rmd_example_inner {
  width: 50%;
  float: left;
  height: 100%
}

.rmd_example_code {
  height: 100%
}


.rmd_example_result {
  background-color: lightyellow;
  border-style: dotted;
  border-width: 3px;
  border-color: #007fff;
  padding: 10px 20px;
  margin: 0px 0px 20px 0px;
  zoom: 1;
  -moz-transform: scale(1);
}

#exercise {
  display: block;
  width: 100%;
  font-weight: bold;
  background: #e6ffff;
  margin-left: auto;
  margin-right: auto;
  padding: 20px 25px;
  border-width: 3px;
  border-style: solid;
  border-color: #1695A3;
  border-radius: 20px;
  /*box-shadow: 10px 10px 20px -5px gray;*/
}

div.r-help-page {
background-color: #f9f9f9;
border-bottom: #ddd 1px solid;
margin-bottom: 10px;
padding: 10px;
}

div.r-help-page:hover {
background-color: #f4f4f4;
}