这段代码表示,当屏幕宽度小于等于 768px 时,.desktop-img 元素的 display 属性设置为 none,.mobile-img 元素的 display 属性设置为 block,从而实现移动端显示移动端 banner,隐藏桌面端 banner。
为了使代码更简洁,可以将具有相同 Media Query 条件的样式规则合并到一个 @media 块中。因此,可以将原代码中的两个 @media screen and (max-width: 768px) 合并为一个:
@media screen and (max-width: 768px) { .homepage-header-section-image { margin-left: 0; } .homepage-header-section-content { left: 0; position: relative; width: 100%; display: block; } .desktop-img { display: none; } .mobile-img { display: block; } }
以下是修改后的完整代码示例:
<html> <head> <style type="text/css"> .homepage-header-section { position: relative; } .banner-main-text { width: 100%; } .homepage-header-section-image img { min-width: 100%; max-width: 100%; } .desktop-img { display: block; } .mobile-img { display: none; } .homepage-header-section-content { left: 10%; width: 35%; height: 100%; top: 114; position: absolute; display: flex; flex-direction: column; align-content: center; align-items: center; } .banner-cta-row { padding-top: 2rem; } .shop-gifts-banner-cta { padding-right: 10px; } .shop-gifts-banner-cta a, .corporate-gifts-banner-cta a { border-radius: 2rem; } .shop-gifts-banner-cta .btn:hover { background-color: #cea67e; } @media screen and (max-width: 768px) { .homepage-header-section-image { margin-left: 0; } .homepage-header-section-content { left: 0; position: relative; width: 100%; display: block; } .desktop-img { display: none; } .mobile-img { display: block; } } </style> </head> <body> <div class="homepage-header-section"> <div class="homepage-header-section-image"> <img src="img\PwP_May2022_Banner.jpg" class="desktop-img" alt="May Banner Desktop" /> <img src="img\PwP_May2022_Banner_mobile.jpg" class="mobile-img" alt="May Banner Mobile" /> </div> <div class="homepage-header-section-content"> <div class="banner-main-text"> <svg id="Layer_2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 626.03 244.21" > <defs><style>.cls-1 { fill: #fff; 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