Fixed Inputboxes and Design

Todo pls merge me.

src/IntelliHelper/IntelliToolsettings.cpp

@@ -17,6 +17,12 @@ int IntelliToolsettings::getLineWidth(){
 }
 
 void IntelliToolsettings::setLineWidth(int LineWidth){
+        if(LineWidth < 1){
+            LineWidth = 1;
+        }
+        else if(LineWidth > 50){
+            LineWidth = 50;
+        }
         lineWidth = LineWidth;
 }
 
@@ -25,6 +31,12 @@ int IntelliToolsettings::getInnerAlpha(){
 }
 
 void IntelliToolsettings::setInnerAlpha(int innerAlpha){
+        if(innerAlpha < 0){
+            innerAlpha = 0;
+        }
+        else if(innerAlpha > 255){
+            innerAlpha = 255;
+        }
         this->innerAlpha = innerAlpha;
 }