Generated by SassMeister.com.

SassMeister-input.scss

// ----
// libsass (v3.3.2)
// ----

        .asset-edit-table {
          width: 100%;
          &__row {
            width: 100%;
          }
          &__left-side {
            display: inline-block;
            width: 48%;

            #tag_view_id {
              max-width: 400px;
            }
          }
          &__right-side {
            display: inline-block;
            width: 48%;
            padding-left: 1%;
          }
        }

SassMeister-output.css

.asset-edit-table {
  width: 100%;
}

.asset-edit-table__row {
  width: 100%;
}

.asset-edit-table__left-side {
  display: inline-block;
  width: 48%;
}

.asset-edit-table__left-side #tag_view_id {
  max-width: 400px;
}

.asset-edit-table__right-side {
  display: inline-block;
  width: 48%;
  padding-left: 1%;
}

Doing a little BEM with SASS. Nice!