admin-setting.css in SendinBlue 8

/* setting page */

#wrap {
  margin-top: 20px;
  padding: 0px;
}

#wrap-right-side {
  padding-left: 30px;
  padding-right: 20px;
}

div#wrap-left {
  width: 70%;
  float: left;
  box-sizing: border-box;
}

div#wrap-right-side {
  box-sizing: border-box;
  width: 30%;
  float: right;
}

#wrap-left fieldset {
  border: 1px solid #ddd;
  border-radius: 5px;
  margin-top: 0px;
  margin-bottom: 20px;
}

#wrap-left #edit-wrap-left-form legend,
#wrap-left #edit-wrap-left-fields legend,
#wrap-left #edit-wrap-left-subscription legend {
  margin-bottom: 20px;
}

#wrap-left #edit-wrap-left-form legend span.fieldset-legend,
#wrap-left #edit-wrap-left-fields legend span.fieldset-legend,
#wrap-left #edit-wrap-left-subscription legend  span.fieldset-legend {
  margin-top: 20px;
  margin-left: 10px;
}

#wrap-left #edit-wrap-left-form div.fieldset-wrapper,
#wrap-left #edit-wrap-left-fields div.fieldset-wrapper,
#wrap-left #edit-wrap-left-subscription div.fieldset-wrapper {
  border-top: 1px solid #ddd;
  padding-top: 20px;
}

#wrap-left #edit-wrap-left-subscription #edit-wrap-left-subscription-settings legend,
#wrap-left #edit-wrap-left-subscription #edit-wrap-left-subscription-messages legend {
  margin-bottom: 10px;
}

#wrap-left #edit-wrap-left-subscription #edit-wrap-left-subscription-settings legend  span.fieldset-legend,
#wrap-left #edit-wrap-left-subscription #edit-wrap-left-subscription-messages legend  span.fieldset-legend {
  margin-top: 15px;
  margin-left: 10px;
}

#wrap-left #edit-wrap-left-subscription #edit-wrap-left-subscription-settings div.fieldset-wrapper,
#wrap-left #edit-wrap-left-subscription #edit-wrap-left-subscription-settings div.fieldset-wrapper,
#wrap-left #edit-wrap-left-subscription #edit-wrap-left-subscription-settings div.fieldset-wrapper {
  border-top: 1px solid #ddd;
  padding-top: 10px;
}

#wrap-right-side #wrap-right-side p,
#wrap-right-side a,
#wrap-right-side span,
#wrap-right-side strong {
  font-size: 12px !important;
}

div#wrap-left,
div#wrap-left p,
div#wrap-left a,
div#wrap-left span,
div#wrap-left strong {
  font-size: 14px;
}

.panel-default {
  border-color: #ddd;
}

.panel {
  margin-bottom: 20px;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  -webkit-box-shadow: 0 1px 1px rgba(0,0,0,.05);
  box-shadow: 0 1px 1px rgba(0,0,0,.05);
}

.panel-default>.panel-heading {
  color: #333;
  background-color: #f5f5f5;
  border-color: #ddd;
}

.panel-heading {
  padding: 10px 15px;
  border-bottom: 1px solid #ddd;
  border-top-left-radius: 3px;
  border-top-right-radius: 3px;
}

.panel-body {
  padding: 15px;
}

#wrap ul {
  margin: 0px;
}

#wrap ul li {
  list-style: none;
}

#sib_merge_fields input[type="text"],
#sendinblue_attribute_lists select {
  padding: 2px;
  border: 1px solid #ccc;
  border-top-color: #999;
  background: #fff;
  color: #333;
}

a#sendinblue_add_field_btn {
  margin-left: 30px;
}

#sendinblue_merge_fields table,
#sendinblue_merge_fields table tr td:last-child {
  border: none;
}

#sendinblue_select_field {
  width: 200px;
}

#edit-wrap-left-fields-addfield,
#edit-wrap-left-fields-addfield div.fieldset-wrapper {
  border: none !important;
  margin-bottom: 0px;
  padding-top: 20px;
}

#edit-wrap-left-fields-addfield a.fieldset-title {
  text-transform: capitalize;
}

#wrap-left div.page-header {
  line-height: 60px;
  margin-left: 20px;
}

#wrap-left div.panel-body {
  border-top: 1px solid #ddd;
}
div.sendinblue_sub_field {
  margin-left: 10px;
}