.order_actions .wc-correios-tracking {
  display: block;
  text-indent: -9999px;
  position: relative;
  padding: 0!important;
  height: 2em!important;
  width: 2em;
}

.widefat .column-wc_actions a.wc-correios-tracking::after {
  font-family: Dashicons;
  text-indent: 0;
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  line-height: 1.85;
  margin: 0;
  text-align: center;
  speak: none;
  font-variant: normal;
  text-transform: none;
  -webkit-font-smoothing: antialiased;
  top: 0;
  font-weight: 400;
  content: '\f328';
}
.widefat .column-wc_actions .wc-correios-tracking-field {
  margin-top: 5px;
  border-width: 2px;
  max-width: 100%;
  display: none;
  width: 100%;
}
.widefat .column-wc_actions .wc-correios-tracking-field.success-save {
  border-color: green;
}
.widefat .column-wc_actions .wc-correios-tracking-field.error-save {
  border-color: red;
}