@syncfusion/ej2-dropdowns/styles/combo-box/bootstrap.css

Essential JS 2 DropDown Components

.e-popup.e-ddl {
  border-radius: 4px;
  -webkit-box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
          box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
  margin-top: 3px;
}
.e-popup.e-ddl .e-input-group {
  width: auto;
}
.e-popup.e-ddl .e-input-group input {
  line-height: 15px;
}

.e-popup.e-ddl .e-dropdownbase {
  min-height: 26px;
}

.e-popup.e-ddl .e-filter-parent .e-input-group {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: auto;
}
.e-popup.e-ddl .e-filter-parent .e-input-group .e-back-icon {
  border: 0;
}

.e-input-group:not(.e-disabled) .e-control.e-dropdownlist ~ .e-ddl-icon:active,
.e-input-group:not(.e-disabled) .e-control.e-dropdownlist ~ .e-ddl-icon:hover,
.e-control.e-dropdownlist .e-input-group:not(.e-disabled) .e-ddl-icon:active,
.e-control.e-dropdownlist .e-input-group:not(.e-disabled) .e-ddl-icon:hover,
.e-ddl.e-popup .e-input-group:not(.e-disabled) .e-clear-icon:active,
.e-ddl.e-popup .e-input-group:not(.e-disabled) .e-clear-icon:hover,
.e-ddl.e-popup .e-input-group:not(.e-disabled) .e-back-icon:active,
.e-ddl.e-popup .e-input-group:not(.e-disabled) .e-back-icon:hover {
  background: transparent;
  color: #333;
}

.e-input-group:not(.e-disabled) .e-control.e-dropdownlist ~ .e-ddl-icon,
.e-input-group.e-disabled.e-ddl .e-control.e-dropdownlist ~ .e-input-group-icon,
.e-control.e-dropdownlist .e-input-group.e-disabled.e-ddl .e-input-group-icon,
.e-control.e-dropdownlist .e-input-group.e-ddl .e-input-group-icon {
  border: 0;
}

.e-input-group:not(.e-disabled) .e-control.e-dropdownlist ~ .e-input-group-icon:active,
.e-control.e-dropdownlist .e-input-group:not(.e-disabled) .e-input-group-icon:active,
.e-ddl.e-popup .e-input-group:not(.e-disabled) .e-back-icon:active,
.e-ddl.e-popup .e-input-group:not(.e-disabled) .e-clear-icon:active {
  -webkit-box-shadow: none;
          box-shadow: none;
}

.e-ddl.e-popup .e-filter-parent {
  border-bottom: 1px solid #ccc;
}

/* stylelint-disable-line no-empty-source */