Fix bug that images and videos cannot be resized.
Fix bug that images and videos cannot be resized.

leesei/hexo-theme-freemind,zhi1ong/hexo-theme-freemind,chenzaichun/hexo-theme-freemind,blackshow/hexo-theme-freemind.386,wzpan/hexo-theme-freemind,oomusou/hexo-theme-openmind,leesei/hexo-theme-freemind,wzpan/hexo-theme-freemind