[英]Media query when max-width is set to 767px
I have this HTML/CSS
: 我有这个
HTML/CSS
:
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style>
p{
color: white;
background: black;
}
@media only screen and (max-width: 768px) {
p {
color: yellow;
}
}
</style>
</head>
<body>
<p>SOME TEXT</p>
</body>
</html>
I am using Chrome - mobile mode or I can resize the browser window, it is same. 我使用的是Chrome-移动模式,也可以调整浏览器窗口的大小,这是相同的。
When I make the width of the screen 767 pixels
, the color of p
tag is white
(the style in media query not applied). 当我将屏幕宽度
767 pixels
, p
标签的颜色为white
(媒体查询中的样式未应用)。 When I make the screen width - 766 pixels
, the color is yellow (media query style applied), but in CSS
I have - .. and (max-width: 767px)
. 当我将屏幕宽度设置为
766 pixels
,颜色为黄色(应用了媒体查询样式),但是在CSS
我具有- .. and (max-width: 767px)
。 767 pixels
width isn't included. 不包括
767 pixels
宽度。
If I set in my CSS
- and (max-width: 768px)
and make the screen width 768 pixels
, the color of the p
tag is yellow
, which means 768 pixels
width is included. 如果我在
CSS
设置- and (max-width: 768px)
,并使屏幕宽度为768 pixels
,则p
标签的颜色为yellow
,这意味着包括768 pixels
宽度。
Why is that ? 这是为什么 ?
The problem here is with Bootstrap, because the class col-sm-*
is for (min-width: 768px)
and the class .col-xs-*
apply when the width of the screen is maximum 767px
(767 included, but in the Bootstrap CSS file, they don't use media query for this class). 这里的问题是Bootstrap,因为类
col-sm-*
是用于(min-width: 768px)
,而类.col-xs-*
适用于屏幕宽度最大为767px
(包括767px
,但在屏幕中Bootstrap CSS文件,此类不使用媒体查询。
I want style to be added when the width is max 767 pixels (when col-xs-*
is active), but if I set max-width:767px
, my style will be added when the width of the screen is 766 pixels
. 我希望在宽度最大为767像素时(当
col-xs-*
处于活动状态时)添加样式,但是如果我设置max-width:767px
,则在屏幕宽度为766 pixels
时将添加样式。 If I set the style - max-width:768px
, it will add the style when the width is 768 pixels
. 如果设置style-
max-width:768px
,则当宽度为768 pixels
时,它将添加样式。
How can I add style for width <= 767 pixels
? 如何为宽度
<= 767 pixels
添加样式?
The solution for you is to add max width: 767.5px
. 您的解决方案是添加
max width: 767.5px
。 It will work. 它会工作。 But in general I would suggest avoiding using both min-width and max-width, ideally, you should write your styles mobile first, and after that modify with
min-width
media queries (min-width: 768px, min-width: 992px, etc...) 但总的来说,我建议您避免同时使用min-width和max-width,理想情况下,您应该先编写移动样式,然后再使用
min-width
媒体查询(min-width:768px,min-width:992px,等等...)
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