font-size: 12px;
transform: scale(0.8); // 将字体缩小80% 也就是9.6px;如果想设置更小 可以修改scale中 的数值
可以参考
https://blog.csdn.net/qq_38111015/article/details/109672010?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522166314368316800180690678%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=166314368316800180690678&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduend~default-1-109672010-null-null.142^v47^control_1,201^v3^control_2&utm_term=vue%20%E5%AD%97%E4%BD%93%E5%B0%8F%E4%BA%8E12px&spm=1018.2226.3001.4187
