1.Div 设置CSS 背景透明：
div {
background: rgba(76, 175, 80, 0.3) /* Green background with 30% opacity */
}
2.设置图片width and height:
<img src=”img_girl.jpg” alt=”Girl in a jacket” width=”500″ height=”600″>
27
Oct
2021
1.Div 设置CSS 背景透明：
div {
background: rgba(76, 175, 80, 0.3) /* Green background with 30% opacity */
}
2.设置图片width and height:
<img src=”img_girl.jpg” alt=”Girl in a jacket” width=”500″ height=”600″>
