diff --git a/Selectbox.js b/Selectbox.js
index 3f041ab..636f5f6 100644
--- a/Selectbox.js
+++ b/Selectbox.js
@@ -38,6 +38,8 @@ export default class Selectbox extends React.PureComponent
         placeholder: PropTypes.string,
         // minimum suggestion list width in pixels
         minWidth: PropTypes.number,
+        // change theme (CSS module) for this input
+        theme: PropTypes.object,
         // additional CSS class name for the input
         className: PropTypes.string,
         // additional CSS styles for the input
@@ -196,6 +198,7 @@ export default class Selectbox extends React.PureComponent
 
     renderInput = (p) =>
     {
+        const theme = this.props.theme || autocomplete_css;
         const value = this.state.query == null
             ? (this.props.multiple ? '' : this.item_hash[this.props.value]||'')
             : this.state.query;
@@ -204,7 +207,7 @@ export default class Selectbox extends React.PureComponent
             disabled={this.props.disabled}
             placeholder={!this.props.multiple || !this.props.value || !this.props.value.length ? this.props.placeholder : undefined}
             ref={this.setInput}
-            className={autocomplete_css.inputElement}
+            className={theme.inputElement}
             style={this.props.multiple ? { width: this.state.inputWidth+'px' } : undefined}
             onFocus={this.onFocus}
             onBlur={this.onBlur}
@@ -213,24 +216,24 @@ export default class Selectbox extends React.PureComponent
             onKeyDown={this.onKeyDown}
         />;
         return (<div ref={p.ref}
-            className={autocomplete_css.input +
-                (p.focused ? ' '+(autocomplete_css.focused||'') : '') +
-                (this.props.disabled ? ' '+(autocomplete_css.disabled||'') : '') +
+            className={theme.input +
+                (p.focused ? ' '+(theme.focused||'') : '') +
+                (this.props.disabled ? ' '+(theme.disabled||'') : '') +
                 (this.props.multiple
-                    ? ' '+(autocomplete_css.multiple||'')
-                    : (this.props.allowClear ? ' '+(autocomplete_css.withClear||'') : '')) +
+                    ? ' '+(theme.multiple||'')
+                    : (this.props.allowClear ? ' '+(theme.withClear||'') : '')) +
                 (this.props.className ? ' '+this.props.className : '')}
             style={this.props.style}
             onClick={this.focusInput}>
             {this.props.multiple
-                ? <div className={autocomplete_css.values}>
-                    <span className={autocomplete_css.inputElement+' '+autocomplete_css.sizer} ref={this.setSizer}>
+                ? <div className={theme.values}>
+                    <span className={theme.inputElement+' '+theme.sizer} ref={this.setSizer}>
                         {this.props.multiple && (!this.props.value || !this.props.value.length) && value === ''
                             ? (this.props.placeholder || '') : value}
                     </span>
-                    {(this.props.value||[]).map((id, idx) => <span className={autocomplete_css.value} key={idx}>
+                    {(this.props.value||[]).map((id, idx) => <span className={theme.value} key={idx}>
                         {this.props.allowClear && !this.props.disabled
-                            ? <span data-n={idx} className={autocomplete_css.clearValue} onClick={this.removeValue}></span>
+                            ? <span data-n={idx} className={theme.clearValue} onClick={this.removeValue}></span>
                             : null}
                         {this.item_hash[id]}
                     </span>)}
@@ -238,7 +241,7 @@ export default class Selectbox extends React.PureComponent
                 </div>
                 : input}
             {this.props.allowClear && !this.props.multiple && this.props.value != null
-                ? <div className={autocomplete_css.clear} onClick={this.clear}></div>
+                ? <div className={theme.clear} onClick={this.clear}></div>
                 : null}
         </div>);
     }
@@ -266,11 +269,12 @@ export default class Selectbox extends React.PureComponent
 
     renderSuggestions = () =>
     {
+        const theme = this.props.theme || autocomplete_css;
         return (<div ref={this.animateSuggestions}
-            className={autocomplete_css.suggestions}
+            className={theme.suggestions}
             onMouseOver={this.onMouseOver}>
             {this.filtered_items.map((e, i) => (<div key={i} id={i} onMouseDown={this.onMouseDown}
-                className={autocomplete_css.suggestion+(this.state.active == i ? ' '+autocomplete_css.active : '')}>
+                className={theme.suggestion+(this.state.active == i ? ' '+theme.active : '')}>
                 {e[this.props.labelKey||'name']}
             </div>))}
             {this.props.suggestionMsg}