diff --git a/src/main/kotlin/main/Compare.kt b/src/main/kotlin/main/Compare.kt
index d68a303..260de71 100644
--- a/src/main/kotlin/main/Compare.kt
+++ b/src/main/kotlin/main/Compare.kt
@@ -27,7 +27,7 @@ fun compareResults(
         horizontalAlignment = Alignment.CenterHorizontally
     ) {
         Text(
-            text = "Le code contient ${compareWords(glossaryWords, codeWords)}% des mots du glossaire\"",
+            text = "Le code contient ${compareWords(glossaryWords, codeWords)}% des mots du glossaire",
             style = MaterialTheme.typography.h3
         )
     }
diff --git a/src/main/kotlin/main/Form.kt b/src/main/kotlin/main/Form.kt
index 1b297bf..0d1e37b 100644
--- a/src/main/kotlin/main/Form.kt
+++ b/src/main/kotlin/main/Form.kt
@@ -3,6 +3,7 @@ package main
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.*
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
 import androidx.compose.material.icons.filled.Check
 import androidx.compose.material.icons.filled.Close
 import androidx.compose.runtime.Composable
@@ -149,8 +150,8 @@ fun formPage(onCancelClick: () -> Unit) {
                         contentColor = Color.White
                     )
                 ) {
-                    Icon(imageVector = Icons.Default.Close, contentDescription = null)
-                    Text("Annuler")
+                    Icon(imageVector = Icons.Default.ArrowBack, contentDescription = null)
+                    Text("Retour")
                 }
                 Button(
                     onClick = {
@@ -199,7 +200,13 @@ fun formPage(onCancelClick: () -> Unit) {
                 Snackbar(
                     modifier = Modifier.padding(16.dp),
                     action = {
-                        Button(onClick = { requiredFieldsSnackbarVisibleState.value = false }) {
+                        Button(
+                            onClick = { requiredFieldsSnackbarVisibleState.value = false },
+                            colors = ButtonDefaults.buttonColors(
+                                backgroundColor = customRedColor,
+                                contentColor = Color.White
+                            )
+                            ) {
                             Text("OK")
                         }
                     }
@@ -211,7 +218,13 @@ fun formPage(onCancelClick: () -> Unit) {
                 Snackbar(
                     modifier = Modifier.padding(16.dp),
                     action = {
-                        Button(onClick = { alreadyExistSnackbarVisibleState.value = false }) {
+                        Button(
+                            onClick = { alreadyExistSnackbarVisibleState.value = false },
+                            colors = ButtonDefaults.buttonColors(
+                                backgroundColor = customRedColor,
+                                contentColor = Color.White
+                            )
+                            ) {
                             Text("OK")
                         }
                     }
diff --git a/src/main/kotlin/main/Glossary.kt b/src/main/kotlin/main/Glossary.kt
index 0b02c8d..c695faa 100644
--- a/src/main/kotlin/main/Glossary.kt
+++ b/src/main/kotlin/main/Glossary.kt
@@ -1,9 +1,6 @@
 package main
 
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.*
 import androidx.compose.material.Button
 import androidx.compose.material.ButtonDefaults
 import androidx.compose.material.MaterialTheme
@@ -51,6 +48,8 @@ fun glossaryPage(
 
         Button(
             onClick = onAddWordClick,
+            modifier = Modifier
+                .width(300.dp),
             colors = ButtonDefaults.buttonColors(
                 backgroundColor = customRedColor,
                 contentColor = Color.White
@@ -61,6 +60,8 @@ fun glossaryPage(
 
         Button(
             onClick = onImportClick,
+            modifier = Modifier
+                .width(300.dp),
             colors = ButtonDefaults.buttonColors(
                 backgroundColor = customRedColor,
                 contentColor = Color.White
@@ -71,6 +72,8 @@ fun glossaryPage(
 
         Button(
             onClick = onExportClick,
+            modifier = Modifier
+                .width(300.dp),
             colors = ButtonDefaults.buttonColors(
                 backgroundColor = customRedColor,
                 contentColor = Color.White
@@ -81,6 +84,8 @@ fun glossaryPage(
 
         Button(
             onClick = onSeeGlossaryClick,
+            modifier = Modifier
+                .width(300.dp),
             colors = ButtonDefaults.buttonColors(
                 backgroundColor = customRedColor,
                 contentColor = Color.White
diff --git a/src/main/kotlin/main/Home.kt b/src/main/kotlin/main/Home.kt
index c65baf1..fe971c5 100644
--- a/src/main/kotlin/main/Home.kt
+++ b/src/main/kotlin/main/Home.kt
@@ -1,10 +1,7 @@
 package main
 
 import androidx.compose.foundation.layout.*
-import androidx.compose.material.Button
-import androidx.compose.material.ButtonDefaults
-import androidx.compose.material.MaterialTheme
-import androidx.compose.material.Text
+import androidx.compose.material.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -12,18 +9,17 @@ import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.unit.dp
 
 var mostUsedWordList = mutableMapOf<String, Int>()
-
 @Composable
 fun homePage(
     onGlossaryClick: () -> Unit,
     onCodeToVerifyClick: () -> Unit
 ) {
+    val noFileSnackbarVisibleState = remember { mutableStateOf(false) }
 
     Column(
         modifier = Modifier.fillMaxSize(),
         verticalArrangement = Arrangement.Center,
         horizontalAlignment = Alignment.CenterHorizontally
-
     ) {
         Text("Quali'Nomme", style = MaterialTheme.typography.h3)
 
@@ -31,50 +27,87 @@ fun homePage(
 
         Spacer(modifier = Modifier.height(16.dp))
 
-        Row(
-            horizontalArrangement = Arrangement.spacedBy(16.dp)
-        ) {
-            Button(
-                onClick = onGlossaryClick,
-                colors = ButtonDefaults.buttonColors(
-                    backgroundColor = customRedColor,
-                    contentColor = Color.White
-                )
+        Column { // Wrap the Row in a Column
+            Row(
+                horizontalArrangement = Arrangement.spacedBy(16.dp)
             ) {
-                Text("Glossaire")
+                Button(
+                    onClick = onGlossaryClick,
+                    modifier = Modifier
+                        .width(200.dp),
+                    colors = ButtonDefaults.buttonColors(
+                        backgroundColor = customRedColor,
+                        contentColor = Color.White
+                    )
+                ) {
+                    Text("Glossaire")
+                }
+
+                Button(
+                    onClick = onCodeToVerifyClick,
+                    modifier = Modifier
+                        .width(200.dp),
+                    colors = ButtonDefaults.buttonColors(
+                        backgroundColor = customRedColor,
+                        contentColor = Color.White
+                    )
+                ) {
+                    Text("Code à Vérifier")
+                }
+
+                Button(
+                    onClick = {
+                        //if file not uploaded show snackbar
+                        if (mostUsedWordList.isEmpty()) {
+                            noFileSnackbarVisibleState.value = true
+                            println("Veuillez d'abord importer un fichier")
+                            return@Button
+                        } else {
+                            isCompareClicked = true
+                        }
+
+                    },
+                    modifier = Modifier
+                        .width(200.dp),
+                    colors = ButtonDefaults.buttonColors(
+                        backgroundColor = customRedColor,
+                        contentColor = Color.White
+                    ),
+                    //disable if file not uploaded
+                    enabled = mostUsedWordList.isNotEmpty()
+                ) {
+                    Text("Comparer")
+                }
             }
 
-            Button(
-                onClick = onCodeToVerifyClick,
-                colors = ButtonDefaults.buttonColors(
-                    backgroundColor = customRedColor,
-                    contentColor = Color.White
-                )
+        }
+
+        if (noFileSnackbarVisibleState.value) {
+            Snackbar(
+                modifier = Modifier.padding(16.dp),
+                action = {
+                    Button(
+                        onClick = { noFileSnackbarVisibleState.value = false },
+                        colors = ButtonDefaults.buttonColors(
+                            backgroundColor = customRedColor,
+                            contentColor = Color.White
+                        )
+                    ) {
+                        Text("OK")
+                    }
+                }
             ) {
-                Text("Code à Vérifier")
-            }
-
-            Button(
-                onClick = {
-                    isCompareClicked = true
-
-                },
-                colors = ButtonDefaults.buttonColors(
-                    backgroundColor = customRedColor,
-                    contentColor = Color.White
-                )
-            ) {
-                Text("Comparer")
-            }
-
-            if (isCompareClicked) {
-                println(mostUsedWordList.keys.toList())
-                compareResults(
-                    glossaryWords = loadDatasFromFile(),
-                    codeWords = mostUsedWordList.keys.toList(),
-                    onBackClick = { isCompareClicked = false }
-                )
+                Text("Veuillez d'abord importer un fichier")
             }
         }
+
+        if (isCompareClicked) {
+            println(mostUsedWordList.keys.toList())
+            compareResults(
+                glossaryWords = loadDatasFromFile(),
+                codeWords = mostUsedWordList.keys.toList(),
+                onBackClick = { isCompareClicked = false }
+            )
+        }
     }
-}
\ No newline at end of file
+}
diff --git a/src/main/kotlin/main/Verify.kt b/src/main/kotlin/main/Verify.kt
index a22e404..f96eaef 100644
--- a/src/main/kotlin/main/Verify.kt
+++ b/src/main/kotlin/main/Verify.kt
@@ -1,9 +1,6 @@
 package main
 
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.*
 import androidx.compose.material.Button
 import androidx.compose.material.ButtonDefaults
 import androidx.compose.material.MaterialTheme
@@ -41,26 +38,34 @@ fun choixLangagePage(
     ) {
         Button(
             onClick = onPythonClick,
+            modifier = Modifier
+                .width(125.dp),
             colors = ButtonDefaults.buttonColors(
                 backgroundColor = customRedColor,
                 contentColor = Color.White
-            )
+            ),
+            enabled = false
         ) {
             Text("Python")
         }
 
         Button(
             onClick = onJavaClick,
+            modifier = Modifier
+                .width(125.dp),
             colors = ButtonDefaults.buttonColors(
                 backgroundColor = customRedColor,
                 contentColor = Color.White
-            )
+            ),
+            enabled = false
         ) {
             Text("Java")
         }
 
         Button(
             onClick = onJavaScriptClick,
+            modifier = Modifier
+                .width(125.dp),
             colors = ButtonDefaults.buttonColors(
                 backgroundColor = customRedColor,
                 contentColor = Color.White