/**
 * styling for tip content
 * mostly for example
 * note: canvas (the tip itself) cannot be styled here. use javascript options for that.
 */
.bt-content {
    font-size: small;
    color: #000;
    line-height: normal
    }
/* styling for active target elements - usually for background hilighting */
.bt-active {
    /* example:
      background-color: yellow !important;
      */
    }