How to give opacity for div when it is set Overflow=visible
I have 1 div and 1 image tag , one upon the other. Div is smaller than image . I have set overflow=visible for div . My question is that, when I insert an image to image tag, the content which is overflowed through div should be opacity=0.5 like this.
for me it shows like this.. any help
<div style="border-style: solid; border-width: 2px; height: 5cm; width: 8cm;top: 20px; left: 20px; position: relative; overflow: visible;" id="divimg">
<img src="https://stepupandlive.files.wordpress.com/2014/09/3d-animated-frog-image.jpg" id="displayimg" style="height: 7cm; width: 10cm;" />
</div>这是您的要求的演示。
.outter_div{width:400px; height: 200px;position: relative;}
.outter_div:after{content:"";border:50px solid rgba(255,255,255,0.5);position: absolute; top: 0;width: 300px;height: 100px;}
img{width: 100%;position:} <div class="outter_div">
<img src="https://stepupandlive.files.wordpress.com/2014/09/3d-animated-frog-image.jpg"/>
</div>If you can change HTML to something like this:
<div id="holder">
<div id="overlay">
<img src="https://stepupandlive.files.wordpress.com/2014/09/3d-animated-frog-image.jpg" id="displayimg" />
</div>
<div id="box"></box>
</div>
CSS:
#holder {
width:500px;
height:250px;
position:relative;
overflow:hidden;
}
#overlay {
width:500px;
height:250px;
opacity:0.5;
}
#displayimg {
width:500px;
height:250px;
}
#box {
width:250px;
height:100px;
background-color:black;
position:absolute;
left:200px;
top:70px;
overflow:hidden;
}
#box #ima {
position:absolute;
width:500px;
height:250px;
display:block;
}
And little JQuery magic:
$('#box').append('<img src="https://stepupandlive.files.wordpress.com/2014/09/3d-animated-frog-image.jpg" id="ima" /> ');
$('#ima').offset($('#holder').offset());
$( "#box" ).draggable();
$( "#box" ).draggable({
drag: function() {
$('#ima').offset($('#holder').offset());
}
});
Since you have mentioned dragging, i have imported JQuery UI in fiddle: http://jsfiddle.net/y3c41d10/1/
For resizing, you will have to do some calculations, but it is doable, i hope...
This is what I came up with:
<div class="container">
<div class="main">
<div class="sub">This is a text</div>
</div>
</div>
.main {
background-image:url(http://lorempixel.com/g/200/200/);
position: relative;
}
.container {
width:300px;
height:300px;
}
.sub {
text-align: center;
padding:15px;
border: solid 30px rgba(255, 255, 255, 0.5);
color:white;
}
Here is the JSFiddle demo
链接地址: http://www.djcxy.com/p/87592.html