在響應式網頁設計中，如何依容器大小按比例縮放字體大小？

Resizing Font Size Proportionally to DIV Size

When building a web layout that should adapt to various screen sizes, it's crucial to ensure that the text remains readable at all resolutions. A common issue is that text may not resize proportionally to the container's dimensions.

Question:

1. How to resize text dynamically to maintain a consistent ratio with the container?
2. Is utilizing multiple @media queries and bespoke layouts for different screen sizes a feasible approach?

Solution:

This solution utilizes CSS3 alone, eliminating the need for JavaScript:

Pure CSS3 Approach:

@media all and (min-width: 50px)   {  body  { font-size:0.1em;  } }
@media all and (min-width: 100px)  {  body  { font-size:0.2em;  } }
@media all and (min-width: 200px)  {  body  { font-size:0.4em;  } }
@media all and (min-width: 300px)  {  body  { font-size:0.6em;  } }
@media all and (min-width: 400px)  {  body  { font-size:0.8em;  } }
@media all and (min-width: 500px)  {  body  { font-size:1.0em;  } }
@media all and (min-width: 600px)  {  body  { font-size:1.2em;  } }
@media all and (min-width: 700px)  {  body  { font-size:1.4em;  } }
@media all and (min-width: 800px)  {  body  { font-size:1.6em;  } }
@media all and (min-width: 900px)  {  body  { font-size:1.8em;  } }
@media all and (min-width: 1000px) {  body  { font-size:2.0em;  } }
@media all and (min-width: 1100px) {  body  { font-size:2.2em;  } }
@media all and (min-width: 1200px) {  body  { font-size:2.4em;  } }
@media all and (min-width: 1300px) {  body  { font-size:2.6em;  } }
@media all and (min-width: 1400px) {  body  { font-size:2.8em;  } }
@media all and (min-width: 1500px) {  body  { font-size:3.0em;  } }
@media all and (min-width: 1500px) {  body  { font-size:3.2em;  } }
@media all and (min-width: 1600px) {  body  { font-size:3.4em;  } }
@media all and (min-width: 1700px) {  body  { font-size:3.6em;  } }

Explanation:

These media queries dynamically adjust the font size based on the available screen width in increments of 100px, ensuring a font size that remains legible and visually appropriate.

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