倾斜/扭曲只有div底部

Question

倾斜/扭曲只有div底部

4

我一直在试图给一个 div 元素的底部添加一个倾斜/斜角。如下面的示例所示，我已经成功地将倾斜应用于页面上的一些元素。

目前，倾斜应用于容器的顶部和底部，并且似乎在底部和顶部停止了一半，然后回到了直边。

我想要实现的是顶部边缘是直的，底部边缘是倾斜的，例如：

* {
  padding: 0;
  margin: 0;
}
#main-slideshow {
  position: relative;
  z-index: 1;
  clear: both;
}
#main-slideshow {
  overflow: hidden;
}
#main-slideshow {
  -webkit-transform: skewY(-2deg);
  -moz-transform: skewY(-2deg);
  -ms-transform: skewY(-2deg);
  -o-transform: skewY(-2deg);
  transform: skewY(-2deg);
  overflow: hidden;
}
.custom-btn-color > *,
.stripe .custom-btn-color > * {
  color: inherit !important;
}
#page {
  position: relative;
  overflow: hidden;
}
#page {
  background: #ffffff none repeat center top;
  background-size: auto;
  background-attachment: ;
}
body {
  background: #ffffff none no-repeat fixed center center;
  background-size: cover;
}
html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}
html,
body,
body.page,
.wf-container > * {
  font: normal 300 18px /24px"Lato", Helvetica, Arial, Verdana, sans-serif;
  word-spacing: normal;
  color: #676b6d;
}
.rev_slider_wrapper {
  position: relative;
  z-index: 0;
}
.rev_slider_wrapper {
  width: 100%;
}
.fullwidthbanner-container {
  position: relative;
  padding: 0;
  overflow: hidden;
}
.rev_slider_wrapper {
  z-index: 1;
}
.rev_slider {
  position: relative;
  overflow: visible;
}
.fullwidthbanner-container .fullwidthabanner {
  width: 100%;
  position: relative;
}
dd,
dl,
menu,
ol,
ul {
  list-style: none;
  list-style-image: none;
}
.tp-revslider-slidesli,
.tp-revslider-mainul {
  padding: 0 !important;
  margin: 0 !important;
  list-style: none !important;
}
.rev_slider > ul,
.rev_slider_wrapper > ul,
.tp-revslider-mainul > li,
.rev_slider > ul > li,
.rev_slider > ul > li::before,
.tp-revslider-mainul > li::before,
.tp-simpleresponsive > ul,
.tp-simpleresponsive > ul > li,
.tp-simpleresponsive > ul > li::before,
.tp-revslider-mainul > li,
.tp-simpleresponsive > ul > li {
  list-style: none !important;
  position: absolute;
  margin: 0px !important;
  padding: 0px !important;
  overflow-x: visible;
  overflow-y: visible;
  list-style-type: none !important;
  background-image: none;
  background-position: 0px 0px;
  text-indent: 0em;
  top: 0px;
  left: 0px;
}
.tp-revslider-mainul > li,
.rev_slider > ul > li,
.rev_slider > ul > li::before,
.tp-revslider-mainul > li::before,
.tp-simpleresponsive > ul > li,
.tp-simpleresponsive > ul > li::before,
.tp-revslider-mainul > li,
.tp-simpleresponsive > ul > li {
  visibility: hidden;
}
.tp-bannertimer {
  visibility: hidden;
  width: 100%;
  height: 5px;
  background: #fff;
  background: rgba(0, 0, 0, 0.15);
  position: absolute;
  z-index: 200;
  top: 0px;
}
.tp-bannertimer {
  background: #000;
  background: rgba(0, 0, 0, 0.15);
  height: 5px;
}
.tp-bottom.tp-bannertimer {
  top: auto;
  bottom: 0px !important;
  height: 5px;
}
.tp-loader {
  top: 50%;
  left: 50%;
  z-index: 10000;
  position: absolute;
}
.spinner0.tp-loader {
  width: 40px;
  height: 40px;
  background-color: #fff;
  background: url(../assets/loader.gif) no-repeat center center;
  box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.15);
  -webkit-box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.15);
  margin-top: -20px;
  margin-left: -20px;
  -webkit-animation: tp-rotateplane 1.2s infinite ease-in-out;
  animation: tp-rotateplane 1.2s infinite ease-in-out;
  border-radius: 3px;
  -moz-border-radius: 3px;
  -webkit-border-radius: 3px;
}
.rev_slider li.tp-revslider-slidesli {
  position: absolute !important;
}
.tp-bgimg {
  -webkit-transform: skewY(2deg);
  -moz-transform: skewY(2deg);
  -ms-transform: skewY(2deg);
  -o-transform: skewY(2deg);
  transform: skewY(2deg);
}

<body class="home page page-id-8 page-template-default slideshow-on disabled-hover-icons click-effect-on-img overlay-cursor-on srcset-enabled btn-material custom-btn-color custom-btn-hover-color filter-style-minimal contact-form-material small-fancy-datas outlines-bullets bold-icons phantom-fade phantom-disable-decoration phantom-custom-logo-on floating-mobile-menu-icon top-header first-switch-logo-left first-switch-menu-right second-switch-logo-left second-switch-menu-right right-mobile-menu layzr-loading-on wpb-js-composer js-comp-ver-4.12 vc_responsive semitransparent-portfolio-icons album-minuatures-style-2 not-webkit no-mobile phantom-off">
  <div id="page">
    <div class="rv-slider" id="main-slideshow">
      <div class="forcefullwidth_wrapper_tp_banner" id="rev_slider_1_1_forcefullwidth" style="width: 100%; height: auto; margin-top: 0px; margin-bottom: 0px; position: relative;">
        <div class="rev_slider_wrapper fullwidthbanner-container" id="rev_slider_1_1_wrapper" style="margin: 0px auto; padding: 0px; left: 0px; width: 1007px; height: 487px; overflow: visible; position: absolute; background-color: transparent;">
          <!-- START REVOLUTION SLIDER 5.2.6 fullwidth mode -->
          <div class="rev_slider fullwidthabanner revslider-initialised tp-simpleresponsive" id="rev_slider_1_1" style="height: 487px; margin-top: 0px; margin-bottom: 0px; max-height: 600px;" data-version="5.2.6" data-slideactive="rs-1">
            <ul class="tp-revslider-mainul" style="width: 100%; height: 100%; overflow: hidden; display: block; visibility: visible; max-height: none;">
              <!-- SLIDE  -->
              <li class="greyvan-slide-one tp-revslider-slidesli active-revslide" style="width: 100%; height: 100%; overflow: hidden; visibility: inherit; z-index: 20; opacity: 1; background-color: rgba(255, 255, 255, 0);" data-description="" data-param10="" data-param9=""
              data-param8="" data-param7="" data-param6="" data-param5="" data-param4="" data-param3="" data-param2="" data-param1="" data-title="Slide" data-saveperformance="off" data-rotate="0" data-masterspeed="300" data-easeout="default" data-easein="default"
              data-hideslideonmobile="off" data-hideafterloop="0" data-slotamount="default" data-transition="fade" data-index="rs-1">
                <!-- MAIN IMAGE -->
                <div class="slotholder" style="left: 0px; top: 0px; width: 100%; height: 100%; visibility: inherit; position: absolute; z-index: 0; opacity: 1; transform: matrix(1, 0, 0, 1, 0, 0);">
                  <!--Runtime Modification - Img tag is Still Available for SEO Goals in Source - <img width="1920" height="1080" title="visiontech-hero-test" class="rev-slidebg defaultimg" alt="" src="http://www.visiontechautomotive.co.uk/visiontech/wordpress/wp-content/uploads/2016/08/visiontech-hero-test-1.jpg" data-no-retina="" data-bgrepeat="no-repeat" data-bgfit="cover" data-bgposition="center center">-->
                  <div class="tp-bgimg defaultimg" style='background-position: center; width: 100%; height: 100%; visibility: inherit; z-index: 20; opacity: 1; background-image: url("https://via.placeholder.com/1200x1200"); background-repeat: no-repeat; background-size: cover; background-color: transparent;'
                  src="https://via.placeholder.com/1200x1200"></div>
                </div>
                <!-- LAYERS -->
              </li>
            </ul>
            <div class="tp-bannertimer tp-bottom" style="width: 0%; visibility: hidden !important;"></div>
            <div class="tp-loader spinner0" style="display: none;">
              <div class="dot1"></div>
              <div class="dot2"></div>
              <div class="bounce1"></div>
              <div class="bounce2"></div>
              <div class="bounce3"></div>
            </div>
          </div>
        </div>
        <div class="tp-fullwidth-forcer" style="width: 100%; height: 487px;"></div>
      </div>
      <!-- END REVOLUTION SLIDER -->
    </div>
  </div>
</body>

提前感谢您的任何帮助，如果我可以提供更多信息，请告诉我。

- Chris

您可以使用伪元素来实现这一点。请在问题本身中包含所有相关代码，以便我们能够重现您的问题。外部链接不适用，因为它们可能失效或问题得到解决，从而使该问题失去上下文。 - Hidden Hobbes

你好，我已经包含了所有我的自定义CSS。其他代码是由WordPress和Revolution Slider生成的。如果我将其粘贴进去，那对你有用吗？ - Chris

嗨，@Chris，我们需要的是一个最小化的示例http://stackoverflow.com/help/mcve。在这种情况下，具有ID“＃main-slideshow”的`div`的HTML可能是我们需要的，以及影响它的所有样式。 - Hidden Hobbes

我希望我所添加的内容是有用的，Rev Slider 的许多样式似乎都在 HTML 中。 - Chris

我认为这不起作用是因为Revolution Slider通过CSS插入图像，而这需要一个实际的图像标签。 - Chris

我对您的问题进行了一些修改，以嵌入图像并提供可重现的示例。为此，您可以使用IE的检查工具复制HTML部分及其CSS。有关更多信息，请参见https://dev59.com/QG445IYBdhLWcg3wWI6L#14664803。 - Hidden Hobbes

1个回答

网页内容由stack overflow 提供, 点击上面的

可以查看英文原文，
原文链接

- Hidden Hobbes · Accepted Answer

您可以使用伪元素和CSS三角形来实现这种效果。

与其使用移动整个框的透视线，不如使用伪元素来覆盖在图像顶部以产生斜坡效果。

这种技术的基本原理是：

- 使用 `:after` 伪元素添加内容到页面中，而无需额外的标记。 - 使用 CSS 三角形将此伪元素变为一个倾斜的三角形（与页面背景颜色相同），跨越框的宽度。这给人的印象是框本身是倾斜的。

需要进行以下修改：

- 从 `#main-slideshow` 和 `.tp-bgimg` 中删除 `transform` 属性。 - 添加规则 `.tp-bgimg:after` 来创建伪元素，并将以下值添加到此规则中：

- `border-color: transparent transparent #FFFFFF transparent;`, `border-style: solid;`, `border-width: 0 0 10vw 100vw;`, `height: 0;` 和 `width: 0;` 创建三角形。由于图像跨越整个页面宽度，因此可以使用视口单位使三角形具有响应性。 - `bottom: 0;`, `position: absolute;` 和 `left: 0;` 将三角形定位在容器底部。 - `content: "";` 是必需的，才能显示伪元素。

* {
  padding: 0;
  margin: 0;
}
#main-slideshow {
  position: relative;
  z-index: 1;
  clear: both;
}
#main-slideshow {
  overflow: hidden;
}
#main-slideshow {
  overflow: hidden;
}
.custom-btn-color > *,
.stripe .custom-btn-color > * {
  color: inherit !important;
}
#page {
  position: relative;
  overflow: hidden;
}
#page {
  background: #ffffff none repeat center top;
  background-size: auto;
  background-attachment: ;
}
body {
  background: #ffffff none no-repeat fixed center center;
  background-size: cover;
}
html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}
html,
body,
body.page,
.wf-container > * {
  font: normal 300 18px /24px"Lato", Helvetica, Arial, Verdana, sans-serif;
  word-spacing: normal;
  color: #676b6d;
}
.rev_slider_wrapper {
  position: relative;
  z-index: 0;
}
.rev_slider_wrapper {
  width: 100%;
}
.fullwidthbanner-container {
  position: relative;
  padding: 0;
  overflow: hidden;
}
.rev_slider_wrapper {
  z-index: 1;
}
.rev_slider {
  position: relative;
  overflow: visible;
}
.fullwidthbanner-container .fullwidthabanner {
  width: 100%;
  position: relative;
}
dd,
dl,
menu,
ol,
ul {
  list-style: none;
  list-style-image: none;
}
.tp-revslider-slidesli,
.tp-revslider-mainul {
  padding: 0 !important;
  margin: 0 !important;
  list-style: none !important;
}
.rev_slider > ul,
.rev_slider_wrapper > ul,
.tp-revslider-mainul > li,
.rev_slider > ul > li,
.rev_slider > ul > li::before,
.tp-revslider-mainul > li::before,
.tp-simpleresponsive > ul,
.tp-simpleresponsive > ul > li,
.tp-simpleresponsive > ul > li::before,
.tp-revslider-mainul > li,
.tp-simpleresponsive > ul > li {
  list-style: none !important;
  position: absolute;
  margin: 0px !important;
  padding: 0px !important;
  overflow-x: visible;
  overflow-y: visible;
  list-style-type: none !important;
  background-image: none;
  background-position: 0px 0px;
  text-indent: 0em;
  top: 0px;
  left: 0px;
}
.tp-revslider-mainul > li,
.rev_slider > ul > li,
.rev_slider > ul > li::before,
.tp-revslider-mainul > li::before,
.tp-simpleresponsive > ul > li,
.tp-simpleresponsive > ul > li::before,
.tp-revslider-mainul > li,
.tp-simpleresponsive > ul > li {
  visibility: hidden;
}
.tp-bannertimer {
  visibility: hidden;
  width: 100%;
  height: 5px;
  background: #fff;
  background: rgba(0, 0, 0, 0.15);
  position: absolute;
  z-index: 200;
  top: 0px;
}
.tp-bannertimer {
  background: #000;
  background: rgba(0, 0, 0, 0.15);
  height: 5px;
}
.tp-bottom.tp-bannertimer {
  top: auto;
  bottom: 0px !important;
  height: 5px;
}
.tp-loader {
  top: 50%;
  left: 50%;
  z-index: 10000;
  position: absolute;
}
.spinner0.tp-loader {
  width: 40px;
  height: 40px;
  background-color: #fff;
  background: url(../assets/loader.gif) no-repeat center center;
  box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.15);
  -webkit-box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.15);
  margin-top: -20px;
  margin-left: -20px;
  -webkit-animation: tp-rotateplane 1.2s infinite ease-in-out;
  animation: tp-rotateplane 1.2s infinite ease-in-out;
  border-radius: 3px;
  -moz-border-radius: 3px;
  -webkit-border-radius: 3px;
}
.rev_slider li.tp-revslider-slidesli {
  position: absolute !important;
}
.tp-bgimg:after {
  border-color: transparent transparent #FFFFFF transparent;
  border-style: solid;
  border-width: 0 0 10vw 100vw;
  bottom: 0;
  content: "";
  height: 0;
  position: absolute;
  left: 0;
  width: 0;
}

<body class="home page page-id-8 page-template-default slideshow-on disabled-hover-icons click-effect-on-img overlay-cursor-on srcset-enabled btn-material custom-btn-color custom-btn-hover-color filter-style-minimal contact-form-material small-fancy-datas outlines-bullets bold-icons phantom-fade phantom-disable-decoration phantom-custom-logo-on floating-mobile-menu-icon top-header first-switch-logo-left first-switch-menu-right second-switch-logo-left second-switch-menu-right right-mobile-menu layzr-loading-on wpb-js-composer js-comp-ver-4.12 vc_responsive semitransparent-portfolio-icons album-minuatures-style-2 not-webkit no-mobile phantom-off">
  <div id="page">
    <div class="rv-slider" id="main-slideshow">
      <div class="forcefullwidth_wrapper_tp_banner" id="rev_slider_1_1_forcefullwidth" style="width: 100%; height: auto; margin-top: 0px; margin-bottom: 0px; position: relative;">
        <div class="rev_slider_wrapper fullwidthbanner-container" id="rev_slider_1_1_wrapper" style="margin: 0px auto; padding: 0px; left: 0px; width: 1007px; height: 487px; overflow: visible; position: absolute; background-color: transparent;">
          <!-- START REVOLUTION SLIDER 5.2.6 fullwidth mode -->
          <div class="rev_slider fullwidthabanner revslider-initialised tp-simpleresponsive" id="rev_slider_1_1" style="height: 487px; margin-top: 0px; margin-bottom: 0px; max-height: 600px;" data-version="5.2.6" data-slideactive="rs-1">
            <ul class="tp-revslider-mainul" style="width: 100%; height: 100%; overflow: hidden; display: block; visibility: visible; max-height: none;">
              <!-- SLIDE  -->
              <li class="greyvan-slide-one tp-revslider-slidesli active-revslide" style="width: 100%; height: 100%; overflow: hidden; visibility: inherit; z-index: 20; opacity: 1; background-color: rgba(255, 255, 255, 0);" data-description="" data-param10="" data-param9=""
              data-param8="" data-param7="" data-param6="" data-param5="" data-param4="" data-param3="" data-param2="" data-param1="" data-title="Slide" data-saveperformance="off" data-rotate="0" data-masterspeed="300" data-easeout="default" data-easein="default"
              data-hideslideonmobile="off" data-hideafterloop="0" data-slotamount="default" data-transition="fade" data-index="rs-1">
                <!-- MAIN IMAGE -->
                <div class="slotholder" style="left: 0px; top: 0px; width: 100%; height: 100%; visibility: inherit; position: absolute; z-index: 0; opacity: 1; transform: matrix(1, 0, 0, 1, 0, 0);">
                  <!--Runtime Modification - Img tag is Still Available for SEO Goals in Source - <img width="1920" height="1080" title="visiontech-hero-test" class="rev-slidebg defaultimg" alt="" src="http://www.visiontechautomotive.co.uk/visiontech/wordpress/wp-content/uploads/2016/08/visiontech-hero-test-1.jpg" data-no-retina="" data-bgrepeat="no-repeat" data-bgfit="cover" data-bgposition="center center">-->
                  <div class="tp-bgimg defaultimg" style='background-position: center; width: 100%; height: 100%; visibility: inherit; z-index: 20; opacity: 1; background-image: url("https://via.placeholder.com/1200x1200"); background-repeat: no-repeat; background-size: cover; background-color: transparent;'
                  src="https://via.placeholder.com/1200x1200"></div>
                </div>
                <!-- LAYERS -->
              </li>
            </ul>
            <div class="tp-bannertimer tp-bottom" style="width: 0%; visibility: hidden !important;"></div>
            <div class="tp-loader spinner0" style="display: none;">
              <div class="dot1"></div>
              <div class="dot2"></div>
              <div class="bounce1"></div>
              <div class="bounce2"></div>
              <div class="bounce3"></div>
            </div>
          </div>
        </div>
        <div class="tp-fullwidth-forcer" style="width: 100%; height: 487px;"></div>
      </div>
      <!-- END REVOLUTION SLIDER -->
    </div>
  </div>
</body>