header, hgroup {display:block;}
.header {border-bottom:1px solid #ddd;}
.note {
  position: relative;
  width: 90%;
  padding: 1em 1.5em;
  margin: 2em auto;
  color: #fff;
  font-weight:bold;
  background: gray; /*#97C02F;*/
  overflow: hidden;
  text-align:left;
}

.note:before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-width: 0 16px 16px 0;
  border-style: solid;
  border-color: #fff #fff #658E15 #658E15;
  background: #658E15;
  -webkit-box-shadow: 0 1px 1px rgba(0,0,0,0.3), -1px 1px 1px rgba(0,0,0,0.2);
  -moz-box-shadow: 0 1px 1px rgba(0,0,0,0.3), -1px 1px 1px rgba(0,0,0,0.2);
  box-shadow: 0 1px 1px rgba(0,0,0,0.3), -1px 1px 1px rgba(0,0,0,0.2);
  /* Firefox 3.0 damage limitation */
  display: block; width: 0;
}

.note.rounded {
  -moz-border-radius: 5px 0 5px 5px;
  border-radius: 5px 0 5px 5px;
}

.note.rounded:before {
  border-width: 8px;
  border-color: #fff #fff transparent transparent;
  -moz-border-radius: 0 0 0 5px;
  border-radius: 0 0 0 5px;
}

/* ROUNDED CORNERS VERSION
       * All modern browsers can produce this effect with a single pseudo-element.
       * class="note red rounded"
       * class="note" 
       * <div class="note blue">
*/