general-styles.css in Bootstrap Styles 1.0.x

@-webkit-keyframes hover-pop {
  50% {
    transform: scale(1.2);
  }
}

@keyframes hover-pop {
  50% {
    transform: scale(1.2);
  }
}

#drupal-off-canvas .form-type-checkbox,
#drupal-off-canvas .form-radios > div,
#layout-builder-modal .form-type-checkbox,
#layout-builder-modal .form-radios > div {
  padding: 0;
  margin: 0;
  width: auto;
}

#drupal-off-canvas .form-control,
#layout-builder-modal .form-control {
  border: 0;
}

#drupal-off-canvas .custom-control-input,
#layout-builder-modal .custom-control-input {
  opacity: 1;
  margin-top: 10px;
  margin-bottom: 10px;
}

#drupal-off-canvas .bs_flex,
#layout-builder-modal .bs_flex {
  display: flex;
}

#drupal-off-canvas .bs-justify-content-between,
#layout-builder-modal .bs-justify-content-between {
  justify-content: space-between;
}

#drupal-off-canvas .bs_row,
#layout-builder-modal .bs_row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

#drupal-off-canvas .bs_col,
#layout-builder-modal .bs_col {
  -ms-flex-preferred-size: 0;
  flex-basis: 0;
  -webkit-box-flex: 1;
  -ms-flex-positive: 1;
  flex-grow: 1;
  min-width: 0;
  max-width: 100%;
  padding-right: 15px;
  padding-left: 15px;
}

#drupal-off-canvas .bs_col--50,
#layout-builder-modal .bs_col--50 {
  flex: 50%;
  max-width: 50%;
}

#drupal-off-canvas .bs_col--100,
#layout-builder-modal .bs_col--100 {
  flex: 100%;
  max-width: 100%;
}

#drupal-off-canvas .bs-group-title,
#layout-builder-modal .bs-group-title {
  margin-left: 15px;
  display: flex;
  align-items: center;
}

#drupal-off-canvas .sr-only,
#layout-builder-modal .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}