.stm_buttons_style_15 .btn {
  letter-spacing: 2.2px;
  padding: 20px 34px 19px;
  font-weight: 600;
  font-size: 18px;
  text-align: center;
  text-transform: uppercase; }
  .stm_buttons_style_15 .btn.btn_icon-bg .btn__icon {
    top: 0;
    bottom: 0; }
  .stm_buttons_style_15 .btn.btn_icon-bg.btn_icon-right .btn__icon {
    right: 0; }
  .stm_buttons_style_15 .btn.btn_icon-bg.btn_icon-left .btn__icon {
    left: 0; }
  .stm_buttons_style_15 .btn.btn_icon-right .btn__label {
    margin-right: 26px; }
  .stm_buttons_style_15 .btn.btn_icon-right .btn__icon {
    right: 17px; }
  .stm_buttons_style_15 .btn.btn_icon-left .btn__label {
    margin-left: 26px; }
  .stm_buttons_style_15 .btn.btn_icon-left .btn__icon {
    left: 17px; }

@media (max-width: 400px) {
  .stm_buttons_style_15 .btn.btn_solid {
    padding: 20px 25px 19px; } }

@media (max-width: 350px) {
  .stm_buttons_style_15 .btn.btn_solid {
    padding: 20px 25px 19px !important; }
    .stm_buttons_style_15 .btn.btn_solid span {
      margin: 0 !important; }
    .stm_buttons_style_15 .btn.btn_solid .btn__icon {
      display: none; } }