vue-learning/企业级管理系统/web/admin_system/src/css/root.css

:root {
    font-size: 1em;
    box-sizing: border-box;
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: inherit;
}

body {
    font-family: Arial, Helvetica, sans-serif;
}

.pointer {
    cursor: pointer;
}