Html的标题标签h1-h6种选择，从大到小；默认上下margin一样，靠左，不好改变；能用定位改变。

1、<h1></h1>

 

  1. display:block;
  2. font-size:32px;
  3. font-weight:700;
  4. height:42px;
  5. margin-block-end:21.44px;
  6. margin-block-start:21.44px;
  7. margin-inline-end:0px;
  8. margin-inline-start:0px;

 

 

2、<h2></h2>

 

  1. display:block;
  2. font-size:24px;
  3. font-weight:700;
  4. height:31px;
  5. margin-block-end:19.92px;
  6. margin-block-start:19.92px;
  7. margin-inline-end:0px;
  8. margin-inline-start:0px;

 

3、<h3></h3>

 

  1. display:block;
  2. font-size:13.28px;
  3. font-weight:700;
  4. height:17px;
  5. margin-block-end:22.1776px;
  6. margin-block-start:22.1776px;
  7. margin-inline-end:0px;
  8. margin-inline-start:0px;

 

 

4、<h4></h4>

 

  1. display:block;
  2. font-weight:700;
  3. height:21px;
  4. margin-block-end:21.28px;
  5. margin-block-start:21.28px;
  6. margin-inline-end:0px;
  7. margin-inline-start:0px;

 

5、<h5></h5>

 

  1. display:block;
  2. font-size:13.28px;
  3. font-weight:700;
  4. height:17px;
  5. margin-block-end:22.1776px;
  6. margin-block-start:22.1776px;
  7. margin-inline-end:0px;
  8. margin-inline-start:0px;

 

6、<h6></h6>

 

  1. display:block;
  2. font-size:12px;
  3. font-weight:700;
  4. height:16px;
  5. margin-block-end:27.96px;
  6. margin-block-start:27.96px;
  7. margin-inline-end:0px;
  8. margin-inline-start:0px;