版本：
文件：
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https://cdn.bootcdn.net/ajax/libs/css-spinning-spinners/1.1.1/load1.css
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https://cdn.bootcdn.net/ajax/libs/css-spinning-spinners/1.1.1/load2.css
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https://cdn.bootcdn.net/ajax/libs/css-spinning-spinners/1.1.1/load3.css
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https://cdn.bootcdn.net/ajax/libs/css-spinning-spinners/1.1.1/load4.css
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https://cdn.bootcdn.net/ajax/libs/css-spinning-spinners/1.1.1/load5.css
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https://cdn.bootcdn.net/ajax/libs/css-spinning-spinners/1.1.1/load6.css
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https://cdn.bootcdn.net/ajax/libs/css-spinning-spinners/1.1.1/load7.css
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https://cdn.bootcdn.net/ajax/libs/css-spinning-spinners/1.1.1/load8.css