Disable opacity on child element when parent element has opacity

Question

I have a container with an opacity of 0.8. At the background, I have an image that shines through the content div. Now, I have a photo of my client in this

Answer 1

Use background: rgba(red,green,blue,alpha) may be a good solution ,but,when you use with disabled attribute , you may find it does not work any more in iPhone .