output CSS from bootstrap less mxins

output css

.masthead {
  margin-left: -15px;
  margin-right: -15px;
}
.masthead:before,
.masthead:after {
  content: " ";
  /* 1 */
  display: table;
  /* 2 */
}
.masthead:after {
  clear: both;
}
.masthead:before,
.masthead:after {
  content: " ";
  /* 1 */
  display: table;
  /* 2 */
}
.masthead:after {
  clear: both;
}
.masthead .main-story {
  position: relative;
  min-height: 1px;
  padding-left: 15px;
  padding-right: 15px;
}
@media (min-width: 768px) {
  .masthead .main-story {
    float: left;
    width: 50%;
  }
}
@media (min-width: 992px) {
  .masthead .main-story {
    float: left;
    width: 58.33333333%;
  }
}
@media (min-width: 22000px) {
  .masthead .main-story {
    float: left;
    width: 50%;
  }
}
.masthead .second-story {
  position: relative;
  min-height: 1px;
  padding-left: 15px;
  padding-right: 15px;
}
@media (min-width: 768px) {
  .masthead .second-story {
    float: left;
    width: 50%;
  }
}
@media (min-width: 992px) {
  .masthead .second-story {
    float: left;
    width: 41.66666667%;
  }
}
@media (min-width: 22000px) {
  .masthead .second-story {
    float: left;
    width: 50%;
  }
}
.content-container {
  margin-left: -15px;
  margin-right: -15px;
}
.content-container:before,
.content-container:after {
  content: " ";
  /* 1 */
  display: table;
  /* 2 */
}
.content-container:after {
  clear: both;
}
.content-container:before,
.content-container:after {
  content: " ";
  /* 1 */
  display: table;
  /* 2 */
}
.content-container:after {
  clear: both;
}
.content-container .main-content {
  position: relative;
  min-height: 1px;
  padding-left: 15px;
  padding-right: 15px;
}
@media (min-width: 768px) {
  .content-container .main-content {
    float: left;
    width: 100%;
  }
}
@media (min-width: 992px) {
  .content-container .main-content {
    margin-left: 8.33333333%;
  }
}
@media (min-width: 992px) {
  .content-container .main-content {
    float: left;
    width: 83.33333333%;
  }
}
@media (min-width: 22000px) {
  .content-container .main-content {
    margin-left: 0%;
  }
}
@media (min-width: 22000px) {
  .content-container .main-content {
    float: left;
    width: 100%;
  }
}