vue v-html rendering load Modify Style

Using the v-html tag vue, the content will be rendered with the original page tags and style, the style you want to modify the content of what to do?

Directly in the modified style will find ineffective, it can be used to operate directly on the code >>>

<p v-html="good_info.detail" id="details_conntent" class="top20 content"> </p>

#details_conntent >>> img{
  width: 100%;
}