georgia-cms/georgia

.note {
   position:relative;
   width: 70px;
   height: 100px;
   padding:1em 1.5em;
   margin: 1em 0.5em 1em 0;
   color:#fff;
   background: $teal;
   overflow: hidden;
}

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

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

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