[1.7.10][SOLVED]Gui not centered on screen after adding buttons.

EDIT:Solved by calling "super.initGui();" in my initGUi();

Before adding my buttons, my GUI appears as such:

After adding buttons, it appears as this:

(also there's that weird brown thing on the gui aswell. Plus it seems to break NEI.)

My GUI class (with the buttons added):

package dudesmods.fancycheeses.gui;

import org.lwjgl.opengl.GL11;

import dudesmods.fancycheeses.container.ContainerCheeseMaker;
import dudesmods.fancycheeses.tileentity.TileEntityCheeseMaker;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiButton;
import net.minecraft.client.gui.inventory.GuiContainer;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.client.resources.I18n;
import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.util.IIcon;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fluids.Fluid;
import net.minecraftforge.fluids.FluidRegistry;

public class GuiCheeseMaker extends GuiContainer {

public static final ResourceLocation bground = new ResourceLocation("fancycheeses", "textures/gui/GuiCheeseMaker.png");

public TileEntityCheeseMaker cheeseMaker;

public GuiCheeseMaker(InventoryPlayer inventoryPlayer, TileEntityCheeseMaker entity) {
	super(new ContainerCheeseMaker(inventoryPlayer, entity));

	this.cheeseMaker = entity;

	this.xSize = 176;
	this.ySize = 166;


}

@Override
public void initGui() {
	this.buttonList.add(new GuiButton(0, 70, 20, 10, 14, "<"));
	this.buttonList.add(new GuiButton(1, 98, 20, 10, 14, ">"));
}

@Override
public void actionPerformed(GuiButton button) {
	switch(button.id) {
	case 0:
		if(cheeseMaker.cheeseToMake > 0) {
			cheeseMaker.cheeseToMake--;
		}
		break;
	case 1:
		if(cheeseMaker.cheeseToMake < 4) {
			cheeseMaker.cheeseToMake++;
		}
		break;
	default: break;
	}
}

public void drawGuiContainerForegroundLayer(int par1, int par2) {
	String name = this.cheeseMaker.hasCustomInventoryName() ? this.cheeseMaker.getInventoryName() : I18n.format(this.cheeseMaker.getInventoryName(), new Object[0]);

	this.fontRendererObj.drawString(name, (this.xSize / 2 - this.fontRendererObj.getStringWidth(name) / 2) + 40, 4, 4210752);
	this.fontRendererObj.drawString(I18n.format("container.inventory", new Object[0]), 8, this.ySize - 96 + 2, 4210752);


}

@Override
protected void drawGuiContainerBackgroundLayer(float var1, int var2, int var3) {
	guiDraw(bground);
	guiDrawLiquid("sheep_milk", guiLeft + 29, guiTop + 33, 20, 50);
	guiDrawLiquid("goat_milk", guiLeft + 50, guiTop + 33, 20, 50);


	//TODO : Might re-use this stuff?
	/*
	//Flames
	if(this.cheeseMaker.isBurning()) {
		int k = this.cheeseMaker.getBurnTimeRemainingScaled(12);
		int j = 40 - k;

        this.drawTexturedModalRect(guiLeft + 26, guiTop + 50 + 12 - k, 176, 12 - k, 14, k + 2);
	}

	//Progress Arrow
	int k = this.cheeseMaker.getCookProgressScaled(24);
	this.drawTexturedModalRect(guiLeft + 95, guiTop + 18, 176, 14, k + 1, 16);
	*/
}

protected void guiDraw(ResourceLocation var1) {
	GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
	Minecraft.getMinecraft().getTextureManager().bindTexture(var1);
	this.drawTexturedModalRect(guiLeft, guiTop, 0, 0, this.xSize, this.ySize);
}

protected void guiDrawLiquid(String fluidName, int x, int y, int fluidAmount, int fluidCapacity) {
	if(fluidAmount > 50) {
		fluidAmount = 50;
		System.out.println("ERROR: Cheese Maker conatins more " + fluidName + " than it possibly should!");
	}
	Fluid fluid = FluidRegistry.getFluid(fluidName);
	Minecraft.getMinecraft().getTextureManager().bindTexture(TextureMap.locationBlocksTexture);
	//RenderUtil.setIntColor3(fluid.getColor());
	IIcon icon = fluid.getStillIcon();
	double height = 1;
	height = fluidAmount;
	height = height / fluidCapacity;
	height = height * 100;
	height = height / 2.33;
	GL11.glEnable(GL11.GL_BLEND);
	this.drawTexturedModelRectFromIcon(x, (int) ((y - (20 * 65 / 50))), icon != null ? icon : fluid.getBlock().getIcon(0, 0), 16, (int) Math.round(height));
	GL11.glDisable(GL11.GL_BLEND);
}

}