fix: old styling with new shadcn components

components/units/converter/MainConverter.tsx

@@ -136,7 +136,7 @@ export default function MainConverter() {
             onValueChange={(value) => setSelectedMeasure(value as Measure)}
           >
             <SelectTrigger
-              className="h-10 text-sm"
+              className="w-full"
               style={{
                 borderLeft: `4px solid ${getCategoryColorHex(selectedMeasure)}`,
               }}
@@ -181,7 +181,7 @@ export default function MainConverter() {
                 value={selectedUnit}
                 onValueChange={(value) => setSelectedUnit(value)}
               >
-                <SelectTrigger>
+                <SelectTrigger className="w-full">
                   <SelectValue placeholder="From" />
                 </SelectTrigger>
                 <SelectContent>
@@ -210,7 +210,7 @@ export default function MainConverter() {
                 value={targetUnit}
                 onValueChange={(value) => setTargetUnit(value)}
               >
-                <SelectTrigger>
+                <SelectTrigger className="w-full">
                   <SelectValue placeholder="To" />
                 </SelectTrigger>
                 <SelectContent>