[SASS] Make a responsive arrow box

Check the page:
http://www.cssarrowplease.com/

In HTML: {{type}} is tow way binding in Angular, three types: text, data, voice

<div class="chart-area {{type}} arrow_box">

SASS:

According to different media and class type, change the position :

@mixin respond-to($type: min-width, $query: 960px) {
  @media ($type: $query) {
    @content;
  }
}

.arrow_box {
  padding: 5px;
  position: relative;
  background: #FFF !important;
  border: 2px solid #FFBE00;
}
.arrow_box:after, .arrow_box:before {
  bottom: 100%;
  border: solid transparent;
  content: " ";
  height:;
  width:;
  position: absolute;
  pointer-events: none;
}

.voice.arrow_box:after, .voice.arrow_box:before {
  left: 10%;
  @include respond-to(max-width, 599px) {
    left: 15%;
  }
}
.text.arrow_box:after, .text.arrow_box:before {
  left: 30%;
  @include respond-to(max-width, 599px) {
    left: 50%;
  }
}
.data.arrow_box:after, .data.arrow_box:before {
  left: 50%;
  @include respond-to(max-width, 599px) {
    left: 85%;
  }
}

.arrow_box:after {
  border-color: rgba(255, 255, 255, 0);
  border-bottom-color: #FFF;
  border-width: 20px;
  margin-left: -20px;
}
.arrow_box:before {
  border-color: rgba(255, 190, 0, 0);
  border-bottom-color: #FFBE00;
  border-width: 23px;
  margin-left: -23px;
}