How to increase the clickable area of a tag button?

Question

I have learnt from this post that always use tags or tags to make button. Now I\'m trying to use tag. M

Answer 1

Just make the anchor display: block and width/height: 100%. Eg:

.button a {
    display: block;
    width: 100%;
    height: 100%;
}

jsFiddle: http://jsfiddle.net/4mHTa/