是否可以创建“CSS3变换倾斜单侧”?
我找到了一个解决方案,但对我没有用,因为我需要使用图像作为背景(而不是颜色)。
#skewOneSide {
border-bottom: 40px solid #FF0000;
border-left: 50px solid rgba(0, 0, 0, 0);
height: 0;
line-height: 40px;
width: 100px;
}
即使这个JsFiddle也不太有用(倾斜的区域应该是透明的)
是否可以创建“CSS3变换倾斜单侧”?
我找到了一个解决方案,但对我没有用,因为我需要使用图像作为背景(而不是颜色)。
#skewOneSide {
border-bottom: 40px solid #FF0000;
border-left: 50px solid rgba(0, 0, 0, 0);
height: 0;
line-height: 40px;
width: 100px;
}
即使这个JsFiddle也不太有用(倾斜的区域应该是透明的)
试试这个:
为了去除倾斜的影响,使用嵌套的div标签对图像进行处理,并赋予相反的倾斜值。例如,如果父元素设置了20度的倾斜角度,则可以在嵌套的(图像)div中设置-20度的倾斜值。
.container {
overflow: hidden;
}
#parallelogram {
width: 150px;
height: 100px;
margin: 0 0 0 -20px;
-webkit-transform: skew(20deg);
-moz-transform: skew(20deg);
-o-transform: skew(20deg);
background: red;
overflow: hidden;
position: relative;
}
.image {
background: url(http://placekitten.com/301/301);
position: absolute;
top: -30px;
left: -30px;
right: -30px;
bottom: -30px;
-webkit-transform: skew(-20deg);
-moz-transform: skew(-20deg);
-o-transform: skew(-20deg);
}
<div class="container">
<div id="parallelogram">
<div class="image"></div>
</div>
</div>
例子:
也许你想使用 CSS 的 "clip-path" 属性(可以用于透明度和背景)
"clip-path" 参考文献:https://developer.mozilla.org/en-US/docs/Web/CSS/clip-path
生成器: https://bennettfeely.com/clippy/
示例:
/* With percent */
.element-percent {
background: red;
width: 150px;
height: 48px;
display: inline-block;
clip-path: polygon(0 0, 100% 0%, 75% 100%, 0% 100%);
}
/* With pixel */
.element-pixel {
background: blue;
width: 150px;
height: 48px;
display: inline-block;
clip-path: polygon(0 0, 100% 0%, calc(100% - 32px) 100%, 0% 100%);
}
/* With background */
.element-background {
background: url(https://images.pexels.com/photos/170811/pexels-photo-170811.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=750&w=1260) no-repeat center/cover;
width: 150px;
height: 48px;
display: inline-block;
clip-path: polygon(0 0, 100% 0%, calc(100% - 32px) 100%, 0% 100%);
}
<div class="element-percent"></div>
<br />
<div class="element-pixel"></div>
<br />
<div class="element-background"></div>
你可以使用transform和transform-origin来实现这个效果。
组合不同的变换可以得到类似的结果。希望您会发现这些例子对简单的变换有所帮助。这里有一个左侧点:
div {
width: 300px;
height:200px;
background-image: url('data:image/gif;base64,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');
-webkit-transform: perspective(300px) rotateX(-30deg);
-o-transform: perspective(300px) rotateX(-30deg);
-moz-transform: perspective(300px) rotateX(-30deg);
-webkit-transform-origin: 100% 50%;
-moz-transform-origin: 100% 50%;
-o-transform-origin: 100% 50%;
transform-origin: 100% 50%;
margin: 10px 90px;
}
<div></div>
这是右偏点:
div {
width: 300px;
height:200px;
background-image: url('data:image/gif;base64,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');
-webkit-transform: perspective(300px) rotateX(-30deg);
-o-transform: perspective(300px) rotateX(-30deg);
-moz-transform: perspective(300px) rotateX(-30deg);
-webkit-transform-origin: 0% 50%;
-moz-transform-origin: 0% 50%;
-o-transform-origin: 0% 50%;
transform-origin: 0% 50%;
margin: 10px 90px;
}
<div></div>
transform: 0% 50%;
的作用是将元素的原点设置为垂直中心和水平左侧。因此,图像的左侧部分不可见透视效果,看起来是平的。右侧部分存在透视效果,因此看起来是倾斜的。
我知道这篇文章有点老了,但我想建议使用线性渐变来代替边距偏移来实现相同的效果。这样可以保持任何内容在其原始位置。
HTML
<ul>
<li><a href="#">One</a></li>
<li><a href="#">Two</a></li>
<li><a href="#">Three</a></li>
</ul>
CSS
/* reset */
ul, li, a {
margin: 0; padding: 0;
}
/* nav stuff */
ul, li, a {
display: inline-block;
text-align: center;
}
/* appearance styling */
ul {
/* hacks to make one side slant only */
overflow: hidden;
background: linear-gradient(to right, red, white, white, red);
}
li {
background-color: red;
transform:skewX(-20deg);
-ms-transform:skewX(-20deg);
-webkit-transform:skewX(-20deg);
}
li a {
padding: 3px 6px 3px 6px;
color: #ffffff;
text-decoration: none;
width: 80px;
transform:skewX(20deg);
-ms-transform:skewX(20deg);
-webkit-transform:skewX(20deg);
}
您可以尝试使用:before
伪元素来实现您的需求,只需要将边框样式改为倾斜即可:http://jsfiddle.net/Hfkk7/1101/
补充说明:您实现边框的方法也是可行的,唯一做错的是将伪元素放在了div上面,导致透明边框没有显示出来。如果您将伪元素定位到div左侧,那么同样可以成功实现效果:http://jsfiddle.net/Hfkk7/1102/