Generated by SassMeister.com.

SassMeister-input-HTML.html

<div class="table-selection">
    <a href="javascript://" class="btn selected" title="100 gram" data-table-reference="hundred-grams">100 gram</a><a href="javascript://" class="btn" title="Per porsjon" data-table-reference="pr-portion">Per porsjon</a><a href="javascript://" class="btn" title="Referanseinntak" data-table-reference="reference-consume">Referanseinntak</a>
</div>

SassMeister-input.scss

// ----
// Sass (v3.3.8)
// Compass (v1.0.0.alpha.19)
// ----

* {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
body { background-color: #ececec };
.table-selection {
  width:500px; 
}
.btn {
  display: inline-block;
  font-size: 0.875em;
  font-weight: 400;
  line-height: 1;
  width: 32%;
  padding: 0.71429em;
  margin-left: 2%;
  color: #000000;
  border: #0073a1 1px solid;
  text-align: center;
  text-decoration: none;
  border-color: #000000;
  background-color: #ffffff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  &.selected {
    border-bottom-color: transparent;
    background-color: transparent;
  }
  &:first-child {
    margin-left: 0;
  }
}

SassMeister-output.css

* {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

body {
  background-color: #ececec;
}

.table-selection {
  width: 500px;
}

.btn {
  display: inline-block;
  font-size: 0.875em;
  font-weight: 400;
  line-height: 1;
  width: 32%;
  padding: 0.71429em;
  margin-left: 2%;
  color: #000000;
  border: #0073a1 1px solid;
  text-align: center;
  text-decoration: none;
  border-color: #000000;
  background-color: #ffffff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.btn.selected {
  border-bottom-color: transparent;
  background-color: transparent;
}
.btn:first-child {
  margin-left: 0;
}

SassMeister-rendered.html

<div class="table-selection">
    <a href="javascript://" class="btn selected" title="100 gram" data-table-reference="hundred-grams">100 gram</a><a href="javascript://" class="btn" title="Per porsjon" data-table-reference="pr-portion">Per porsjon</a><a href="javascript://" class="btn" title="Referanseinntak" data-table-reference="reference-consume">Referanseinntak</a>
</div>