如何在CSS中使用媒体查询

.class {  }@media (min-width: 100px) and (max-width: 480px) { .class {  }}@media (min-width: 481px) and (max-width: 600px) { .class {  }}@media (min-width: 601px) and (max-width: 800px) { .class {  }}