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css - 为什么我的响应式网页上有水平滚动条

转载 作者:太空宇宙 更新时间:2023-11-04 07:59:54 25 4
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我的网站响应式运行,那么为什么会有水平滚动条?我对此感到困惑!水平滚动条消失需要什么?此外,标题在移动设备上不会缩小到 320px 标记处,即使在代码编辑器中测试时它会缩小......???

这是我的 CodePen 的链接:https://codepen.io/IDCoder/pen/Xevyqq

这是我的 HTML 代码:

<html>
<title></title>
<head><meta name="viewport" content="width=device-width, initial-scale=1"></head>
<body>
<div class="Main">
<div class="Header Box">
<div id="One">
<img src="https://s1.postimg.org/5ape0obb0f/Ethersonic_Header_Test_a.jpg" width="1000" height="166"/>
</div>
</div>

<div class = "Second Row">
<div class="About Us">
<h1>Technology you can trust</h1>

<p>Ethersonic Technologies has been servicing Chicago and the surrounding suburbs since April 2008. We are a Certified (VOSB) Veteran Owned Small Business with the Federal Government and a member of the BB​B (Better Business Bureau) with an A+ rating.</p>

<p>Ethersonic specializes in Computer diagnosis and repair, Security Camera Installation and repair and Network Installation and Repair</p>
</div>
<div class="BBB VOSB">
<img src="https://s1.postimg.org/284vrnvfsv/BBB_and_VOSB_Logos.jpg" width="200" height="124"/>
</div>
</div>
<div class="Third Row">
<div id="Computers">
<img src="https://s1.postimg.org/1dv3jss5yn/asus-reveals-the-rog-g11-gaming-desktop-491165-2.jpg" width="300" height="203"/>
<p>
Desktop and Laptop Repair
</p>
</div>
<div id="Security">
<img src="https://s1.postimg.org/8j0ejlsp7j/Security_Cameras.jpg
" width="300" height="201"/>
<p>
Security Camera Systems | <br>
Access Controls Systems |
Intercom Systems
</p>
</div>
<div id="Networking">
<img src="https://s1.postimg.org/7ymhfqjm3z/Networking_2.jpg" width="300" height="220"/>
<p>
Network Installation |
Low Voltage Cabling
</p>
</div>
</div>
<div class="Fourth Row">
<div class="container">
<div id="slider">
<figure>
<img src="https://s1.postimg.org/7uayt1hjf3/378c87079dddbfe1d78c9f892695626fl-m0xd-w1020_h770_q80.jpg"/>
<img src="https://s1.postimg.org/11px6krrfz/extralarge.jpg"/>
<img src="https://s1.postimg.org/6yehdl959r/gen_Mid.09186160_1.jpg"/>
<img src="https://s1.postimg.org/8tr267l5fz/ISaly9e2xn0r8r1000000000.jpg"/>
<img src="https://s1.postimg.org/11px6krz5r/ISinl3p5sts48e1000000000_1.jpg"/>
</figure>
</div>
</div>
<div>
<div class ="Slideshow Description">
<p>
We are Installation Experts! <br>
Offering Customized Installation for Both Residentials and Commercial Properties
</p>
</div>
</div>
</div>
<div class="Footer">
<div>
© Ethersonic Technologies LLC. All rights reserved.
</div
</div>
</body>
</html>

这是我的 CSS 代码:

.Main{
display: grid;
grid-template-columns: 1/1r;
/*background-color: green;*/
margin: 5px 125px 0 75px;
grid-gap: 25px;
}


.Header.Box {
display: grid;
grid-template-columns: 100%;
/*background-color: red;*/
grid-gap: 15px;
}



.About.Us{
font-size: 15px
}

.BBB.VOSB{
text-align: right;
padding-right: 10px;
}

#One, #Two, #Three {
padding-top: 5px;
padding-bottom: 5px;
padding-left: 5px;
}

.Second.Row{
display: grid;
grid-template-columns: 100%;
grid-gap: 15px;
}

.Third.Row{
display: grid;
grid-template-columns: 100%;
grid-gap: 15px;
/*background-color: green;*/
}

#Computers, #Security, #Networking{
/*border-style: solid;*/
border-color: black;
border-width: 1px;
border-radius: 15px;
padding: 5px;
text-align: center;

}


.Fourth.Row{
display: grid;
grid-template-columns: repeat(2, 1fr);
grid-gap: 25px;
/*background-color: blue;*/
}

.container{
max-width: 500px;
/*background-color: blue;*/

}

@keyframes slidy {
0% { left: 0%; }
20% { left: 0%; }
25% { left: -100%; }
45% { left: -100%; }
50% { left: -200%; }
70% { left: -200%; }
75% { left: -300%; }
95% { left: -300%; }
100% { left: -400%; }
}

body { margin: 0; }
div#slider { overflow: hidden; }
div#slider figure img { width: 20%; float: left; }
div#slider figure {
position: relative;
width: 500%;
margin: 0;
left: 0;
text-align: left;
font-size: 0;
animation: 30s slidy infinite;
}


.Slideshow.Description{
font-size: 1.25em;
}

.Footer{
display: grid;
grid-template-columns: repeat(1, 1fr);
grid-gap: 25px;
text-align: center;
padding-bottom: 20px;
padding-top: 20px;
font-size: 17px;
/*background-color: yellow;*/
}



@media (min-width: 500px){
.Header.Box{
display: grid;
grid-template-columns: 1fr;
}
}

#One img{
width: 100%;
height: auto;
}


@media (min-width: 500px) {
.Second.Row{
display: grid;
grid-template-columns: 1fr 1fr;
}

}

@media (max-width: 320px) {
h1{
display: grid;
grid-template-columns: 1fr 1fr;
font-size: h2;
}

}

@media (max-width: 320px) {
#One img{
display: grid;
grid-template-columns: 1fr;
width: 200px;
height: auto;
}

}


@media (min-width: 500px) {
.Third.Row{
display: grid;
grid-template-columns: 1fr 1fr 1fr;
}

}

@media (min-width: 500px) {
.Fourth.Row{
display: grid;
grid-template-columns: 1fr 1fr;
}

}

最佳答案

您有两个问题导致了这种情况。

第一个问题是specificity .你有很多硬编码widths在您的图像中(例如 <img src="https://s1.postimg.org/5ape0obb0f/Ethersonic_Header_Test_a.jpg" width="1000" height="166" /> )。这是 1000px 的硬编码宽度;远不止 320px 的媒体查询可以处理。相反,我建议使用基于百分比的宽度,例如 100% .

另请注意,虽然媒体查询确实会比常规 CSS 选择器增加更多的特异性(并因此覆盖它),但内联 width像这样的属性具有尽可能高的特异性。

可以通过添加 !important 来覆盖它到您的媒体查询 width声明,但我强烈建议改为删除图像中的固定宽度,并使用新的 CSS 选择器来定位图像。

第二个问题是你的硬编码 margin .Main 上的属性, 它增加了 75px 的边距在左边,和125px在右侧。当然,这可能适用于大屏幕,但在只有 320px 的设备上总的来说,您将几乎三分之二的宽度渲染为基本无用。您应该显着减少这些边距,或者使用 percentage-based values 这样他们就会适应。

另请注意 320px对于标准的移动媒体查询来说太小了;几乎您唯一会接触到的手机就是旧黑莓手机。我强烈建议您查看 a list of media queries 的 CSS 技巧 用于标准设备。大多数平板电脑的标准是 768px , 大多数手机的标准是 576px .

这是一个更新的片段,包含所有硬编码的 widthheight删除了属性,一个简单的 img添加声明以确保它们不会超出其父级的范围:

img {
max-width: 100%;
width: 100%;
}

img {
max-width: 100%;
width: 100%;
}

.Main {
display: grid;
grid-template-columns: 1/1r;
/*background-color: green;*/
margin: 5px 125px 0 75px;
grid-gap: 25px;
}

.Header.Box {
display: grid;
grid-template-columns: 100%;
/*background-color: red;*/
grid-gap: 15px;
}

.About.Us {
font-size: 15px
}

.BBB.VOSB {
text-align: right;
padding-right: 10px;
}

#One,
#Two,
#Three {
padding-top: 5px;
padding-bottom: 5px;
padding-left: 5px;
}

.Second.Row {
display: grid;
grid-template-columns: 100%;
grid-gap: 15px;
}

.Third.Row {
display: grid;
grid-template-columns: 100%;
grid-gap: 15px;
/*background-color: green;*/
}

#Computers,
#Security,
#Networking {
/*border-style: solid;*/
border-color: black;
border-width: 1px;
border-radius: 15px;
padding: 5px;
text-align: center;
}

.Fourth.Row {
display: grid;
grid-template-columns: repeat(2, 1fr);
grid-gap: 25px;
/*background-color: blue;*/
}

.container {
max-width: 500px;
/*background-color: blue;*/
}

@keyframes slidy {
0% {
left: 0%;
}
20% {
left: 0%;
}
25% {
left: -100%;
}
45% {
left: -100%;
}
50% {
left: -200%;
}
70% {
left: -200%;
}
75% {
left: -300%;
}
95% {
left: -300%;
}
100% {
left: -400%;
}
}

body {
margin: 0;
}

div#slider {
overflow: hidden;
}

div#slider figure img {
width: 20%;
float: left;
}

div#slider figure {
position: relative;
width: 500%;
margin: 0;
left: 0;
text-align: left;
font-size: 0;
animation: 30s slidy infinite;
}

.Slideshow.Description {
font-size: 1.25em;
}

.Footer {
display: grid;
grid-template-columns: repeat(1, 1fr);
grid-gap: 25px;
text-align: center;
padding-bottom: 20px;
padding-top: 20px;
font-size: 17px;
/*background-color: yellow;*/
}

@media (min-width: 500px) {
.Header.Box {
display: grid;
grid-template-columns: 1fr;
}
}

#One img {
width: 100%;
height: auto;
}

@media (min-width: 500px) {
.Second.Row {
display: grid;
grid-template-columns: 1fr 1fr;
}
}

@media (max-width: 320px) {
h1 {
display: grid;
grid-template-columns: 1fr 1fr;
font-size: h2;
}
}

@media (max-width: 320px) {
#One img {
display: grid;
grid-template-columns: 1fr;
width: 200px;
height: auto;
}
}

@media (min-width: 500px) {
.Third.Row {
display: grid;
grid-template-columns: 1fr 1fr 1fr;
}
}

@media (min-width: 500px) {
.Fourth.Row {
display: grid;
grid-template-columns: 1fr 1fr;
}
}
<html>
<title></title>

<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>

<body>
<div class="Main">
<div class="Header Box">
<div id="One">
<img src="https://s1.postimg.org/5ape0obb0f/Ethersonic_Header_Test_a.jpg" />
</div>
</div>

<div class="Second Row">
<div class="About Us">
<h1>Technology you can trust</h1>

<p>Ethersonic Technologies has been servicing Chicago and the surrounding suburbs since April 2008. We are a Certified (VOSB) Veteran Owned Small Business with the Federal Government and a member of the BB​B (Better Business Bureau) with an A+ rating.</p>

<p>Ethersonic specializes in Computer diagnosis and repair, Security Camera Installation and repair and Network Installation and Repair</p>
</div>
<div class="BBB VOSB">
<img src="https://s1.postimg.org/284vrnvfsv/BBB_and_VOSB_Logos.jpg" />
</div>
</div>
<div class="Third Row">
<div id="Computers">
<img src="https://s1.postimg.org/1dv3jss5yn/asus-reveals-the-rog-g11-gaming-desktop-491165-2.jpg" />
<p>
Desktop and Laptop Repair
</p>
</div>
<div id="Security">
<img src="https://s1.postimg.org/8j0ejlsp7j/Security_Cameras.jpg
" />
<p>
Security Camera Systems | <br> Access Controls Systems | Intercom Systems
</p>
</div>
<div id="Networking">
<img src="https://s1.postimg.org/7ymhfqjm3z/Networking_2.jpg" />
<p>
Network Installation | Low Voltage Cabling
</p>
</div>
</div>
<div class="Fourth Row">
<div class="container">
<div id="slider">
<figure>
<img src="https://s1.postimg.org/7uayt1hjf3/378c87079dddbfe1d78c9f892695626fl-m0xd-w1020_h770_q80.jpg" />
<img src="https://s1.postimg.org/11px6krrfz/extralarge.jpg" />
<img src="https://s1.postimg.org/6yehdl959r/gen_Mid.09186160_1.jpg" />
<img src="https://s1.postimg.org/8tr267l5fz/ISaly9e2xn0r8r1000000000.jpg" />
<img src="https://s1.postimg.org/11px6krz5r/ISinl3p5sts48e1000000000_1.jpg" />
</figure>
</div>
</div>
<div>
<div class="Slideshow Description">
<p>
We are Installation Experts! <br> Offering Customized Installation for Both Residentials and Commercial Properties
</p>
</div>
</div>
</div>
<div class="Footer">
<div>
© Ethersonic Technologies LLC. All rights reserved.
</div>
</div>
</body>

</html>

希望对您有所帮助! :)

关于css - 为什么我的响应式网页上有水平滚动条,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/47084311/

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