arrow.scss

// ----
// Sass (v3.3.0.rc.4)
// Compass (v1.0.0.alpha.18)
// ----

%fig-arrow{
  position:absolute;
  width: 0;
  height: 0;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  border-top: 12px solid #FFF;
}

.fig-wid-arrow,
.fig-wid-arrow-border {
  @extend %fig-arrow;
  top:-1px;
  left:44%;
}

.fig-wid-arrow-border {
  border-top-color: #ccc;
  top: 0;
}

.fig-wid1-arrow,
.fig-wid1-arrow-border {
  @extend %fig-arrow;
  bottom:-4px;
  left:50%;
  margin-left: -5px;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid #FFF;
}

.fig-wid1-arrow-border {
  border-top-color: #ccc;
  bottom: -5px;
  left:50%;
}

.fig-wid2-arrow,
.fig-wid2-arrow-border {
  @extend %fig-arrow;
  top:-11px;
  left:24%;
}

.fig-wid2-arrow-border {
  @extend %fig-arrow;
  border-bottom-color: #ccc;
  top: -12px;
}

.fig-wid-citation-even {
  .fig-wid-arrow, 
  .fig-wid-arrow-border {
    left:67%;
  }
}

.fig-elec-arrow,
.fig-elec-arrow-border {
  @extend %fig-arrow;
  top:-12px;
  left: 0;
}

.fig-elec-arrow-border {
  border-bottom-color: #ccc;
  top: -13px;
}

SassMeister-output.css

.fig-wid-arrow,
.fig-wid-arrow-border, .fig-wid1-arrow,
.fig-wid1-arrow-border, .fig-wid2-arrow,
.fig-wid2-arrow-border, .fig-elec-arrow,
.fig-elec-arrow-border {
  position: absolute;
  width: 0;
  height: 0;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  border-top: 12px solid #FFF;
}

.fig-wid-arrow,
.fig-wid-arrow-border {
  top: -1px;
  left: 44%;
}

.fig-wid-arrow-border {
  border-top-color: #ccc;
  top: 0;
}

.fig-wid1-arrow,
.fig-wid1-arrow-border {
  bottom: -4px;
  left: 50%;
  margin-left: -5px;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid #FFF;
}

.fig-wid1-arrow-border {
  border-top-color: #ccc;
  bottom: -5px;
  left: 50%;
}

.fig-wid2-arrow,
.fig-wid2-arrow-border {
  top: -11px;
  left: 24%;
}

.fig-wid2-arrow-border {
  border-bottom-color: #ccc;
  top: -12px;
}

.fig-wid-citation-even .fig-wid-arrow,
.fig-wid-citation-even .fig-wid-arrow-border {
  left: 67%;
}

.fig-elec-arrow,
.fig-elec-arrow-border {
  top: -12px;
  left: 0;
}

.fig-elec-arrow-border {
  border-bottom-color: #ccc;
  top: -13px;
}