/* 等于左侧NPC的宽度 */ padding-left: 20rem; display: inline-flex; flex-wrap: wrap; align-content: center; overflow: hidden; /* 占用父元素的 百分比 决定性作用的 */ flex-grow: 0.8; min-height:10rem;
时间: 2023-05-23 12:05:38 浏览: 120
A:这是一段CSS样式代码,用于设置一个元素的样式。其中padding-left用于设置元素左侧的填充(即留出空白区域),单位为rem;display用于设置元素的显示方式为内联弹性盒子;flex-wrap用于设置该弹性盒子内部的元素是否换行;align-content用于在弹性盒子内部对齐元素;overflow用于设置是否显示溢出元素的内容;flex-grow用于设置元素在弹性容器内的伸展比例,0.8表示该元素将占据容器的80%宽度;min-height用于设置元素最小的高度为10rem,即10个字号大小的高度。
相关问题
.form-check-inline { display: inline-flex; align-items: center; padding-left: 0; margin-right: 0.75rem; }
你提供的 CSS 代码是用于定义 `.form-check-inline` 类的样式。这些样式将使自定义控件在同一行水平显示,并且调整了一些内边距和外边距。
具体解释如下:
```css
.form-check-inline {
display: inline-flex;
align-items: center;
padding-left: 0;
margin-right: 0.75rem;
}
```
- `display: inline-flex;`:将元素设置为内联弹性容器,使其在同一行水平排列。
- `align-items: center;`:在容器内部垂直居中对齐控件。
- `padding-left: 0;`:移除左侧的内边距,确保控件靠近左边缘。
- `margin-right: 0.75rem;`:设置右侧的外边距,增加控件之间的间隔。
通过添加这些样式,你可以确保使用 `.form-check-inline` 类的自定义控件在同一行水平显示,并具有适当的间距和对齐方式。记得将这些样式应用到你的自定义控件上。
优化代码* { margin: 0; padding: 0; box-sizing: border-box; } body { background: url(../1/backgroud.jpg) no-repeat top center; line-height: 1.15; } header { position: relative; height: 1.25rem; background-color: transparent; h1 { font-size: .475rem; color: #fff; text-align: center; line-height 1.25rem; } } //页面部分 .mainbox { display: flex; min-width: 1024px; max-width: 1920px; margin: 0 auto; padding: .125rem .125rem 0; .column { flex: 2; } .panel { position: relative; height: 4.5rem; padding: 0 .1875rem .5rem; margin-bottom: .1875rem; border: 1px solid rgba(25, 186, 139, 0.17); h2{ height: .6rem; color: #fff; line-height: .6rem; text-align: center; line-height .25rem; } } }
Here are some suggestions to optimize the code:
1. Combine the margin and padding styles for all elements into one declaration:
```
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
```
This will apply these styles to all elements, and reduce the amount of code needed.
2. Use shorthand properties where possible:
```
header {
position: relative;
height: 1.25rem;
background-color: transparent;
}
h1 {
font-size: .475rem;
color: #fff;
text-align: center;
line-height: 1.25rem;
}
```
By using shorthand properties, we can reduce the amount of code needed.
3. Use more descriptive class names:
```
<div class="mainbox">
<div class="column"></div>
<div class="panel"></div>
</div>
```
Using more descriptive class names can make the code easier to read and understand.
4. Use variables for repeated values:
```
:root {
--color-primary: rgba(25, 186, 139, 0.17);
}
.panel {
border: 1px solid var(--color-primary);
}
```
Using variables can make it easier to update values later on in the code.
5. Use a CSS preprocessor like Sass or Less to make the code more modular and reusable.
By using a preprocessor, we can write more efficient and maintainable code, and reduce the amount of repetition.
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