What are the precautions when using H5 in enterprise development?

This time I will bring you what are the precautions for using H5 in enterprise development. What are the precautions for using H5 in enterprise development? The following is a practical case, let's take a look.3 In enterprise development, if we want to align the tops of multiple boxes, we can make multiple boxes float at the same time; or make them align at the top through positioning fine-tuning;

3. In enterprise development, first write the following code in css:

/*1.清空默认边距*/ body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,textarea,p,blockquote,th,td{ margin:0;padding:0 } /*2.清空默认样式*/ a{ text-decoration: none; color: #ccc; } ul, ol{ list-style: none; } /*3.利用body设置整个界面的文字信息 文字大小 文字字体 文字颜色 */ body{ font-size:12px; font-family:"宋体"; color: #333; }

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