What is the rem unit in CSS? How is it different from em?
What is the rem unit in CSS? How is it different from em?
题目类型: 技术面试题
这是一道技术面试题，常见于澳洲IT公司面试中。
难度: easy
标签: interviewbit, css, topic-specific, frontend
参考答案摘要
The rem unit stands for “root em.” It is a relative unit that is calculated based on the font size of the root element. By default, most browsers set: html font-size = 16px So: 1rem = 16px 2rem = 32px...
答题技巧
技术面试题建议先理清思路再作答，从基础概念讲起，逐步深入。可以结合实际项目经验解释技术原理，展示你的理解深度和实践能力。
本题提供 STAR 原则详细解答和技术解析，登录匠人学院学习中心即可查看完整答案、收藏题目并进行模拟面试练习。
