shaky

No idea why but i just logged in this morning and its fixed, i ain't touched it since i posted this and it fixed itself. thanks for reading

Hi, im hoping someone can help. my website was working fine then it just changed. everything is working ok but when i edit or create a new product the description box is so small now its hard to see whats in it so makes it impossible to put in any information. i have attached a screenshot to show the problem. im currently using v1.6.0.14 would be really greatful if anyone can offer some advice just seems like one bug after another. thanks John