[英]Circle around div when hover
我有一个太阳形div。 我只想在悬停边框和对象之间的透明间隙悬停时显示边框。
首先,我尝试使用盒子阴影,但不能产生白色间隙。 它需要纯色,然后我尝试这种方式。 但差距并没有出现。
这是我的代码。
.sun-quote-pages{ border-radius: 50%; background-color: #f4953b; width: 4.1em; height: 4.1em; border: 2px solid transparent; transition: transform 0.5s ease, background 0.5s ease, box-shadow 0.5s ease; } .sun-quote-pages:hover { transform: scale(1.3); border: 2px solid #f4953b; margin: 2px; padding: 2px; } .wrapper{ margin-left:150px; margin-top:50px; }
<div class="wrapper"> <div class="sun-quote-pages"> </div> </div>
我在这里错过了什么?
解决方案是在这里找到的'background-clip':
https://css-tricks.com/transparent-borders-with-background-clip/
有了它,您可以防止背景颜色在边框和填充下流动。 它得到广泛支持:
https://caniuse.com/#search=background-clip
所以你的CSS会变成:
.sun-quote-pages{
border-radius: 50%;
background-color: #f4953b;
width: 4.1em;
height: 4.1em;
padding: 2px;
border: 2px solid transparent;
background-clip: content-box;
transition: transform 0.5s ease, border 0.5s ease;
}
.sun-quote-pages:hover {
border: 2px solid #f4953b;
transform: scale(1.3);
}
.wrapper{
margin-left:150px;
margin-top:50px;
}
请参阅: https : //jsfiddle.net/auzjv4rp/11
或者为什么没有双边框?
请参阅: https : //jsfiddle.net/auzjv4rp/13
.sun-quote-pages:hover { transform: scale(1.3); } .sun-quote-pages:hover::after { border: 2px solid #f4953b; } .sun-quote-pages{ width: 4.1em; height: 4.1em; margin: 20px auto; border-style: ridge; border: 2px solid transparent; border-spacing:10px; border-radius: 50%; position:relative; background-color: #f4953b; transition: transform 0.5s ease, background 0.5s ease, box-shadow 0.5s ease; } .sun-quote-pages:after { content: ''; position: absolute; top: -10px; left: -10px; right: -10px; bottom: -10px; border: 2px solid transparent; border-radius: 50%; } .wrapper{ margin-left:150px; margin-top:50px; }
<div class="wrapper"> <div class="sun-quote-pages"> </div> </div> <style>
尝试这个..
尝试这个
.sun-quote-pages{ border-radius: 50%; background-color: #f4953b; width: 4.1em; height: 4.1em; border: 2px solid transparent; transition: transform 0.5s ease, background 0.5s ease, box-shadow 0.5s ease; position:relative; box-sizing: border-box; } .sun-quote-pages:hover { border: solid 2px #f4953b; padding: 5px; background-clip: content-box; /* support: IE9+ */ background-color: #f4953b; transform: scale(1.3); } .wrapper{ margin-left:150px; margin-top:50px; }
<div class="wrapper"> <div class="sun-quote-pages"> </div> </div>
小提琴: https : //jsfiddle.net/fpow9ahc/
您可以像使用:before
属性一样实现。 添加以下CSS并尝试:
.sun-quote-pages:before{
content: "";
position: absolute;
top: -5px;
right: -5px;
bottom: -5px;
left: -5px;
border-radius: 50%;
}
.sun-quote-pages:hover:before {
border: 2px solid #f4953b;
}
见JSfiddle: https ://jsfiddle.net/qsb6y0rc/75/
您可以使用width: 0
background-color
, shadow
和border
创建sun
元素
<div class="sun"></div>
.sun {
background-color: #f4953b;
height: 80px;
width: 80px;
box-sizing: border-box;
border-radius: 50%;
box-shadow: 0 0 0 3px #f3f5f6 inset;
border: solid 0 #f4953b;
transition: border-width 0.3s linear;
}
然后在悬停时,只需为border-width
设置动画:
.sun:hover {
border-width: 3px;
}
这是一个有效的演示 :
你可以使用css伪选择器:after
,其大小比原始元素大。 设置此元素transparent
背景和与原始元素相同的边框颜色,如下所示:
body { background: gray; } .sun-quote-pages{ border-radius: 50%; background-color: #f4953b; width: 70px; height: 70px; transition: transform 0.5s ease, background 0.5s ease; } .sun-quote-pages::after { content: "\\00a0"; display: block; background: transparent; height: 80px; width: 80px; border-radius: 50%; border:2px solid #f4953b; opacity: 0; box-sizing: border-box; transition: opacity 0.5s ease 0.5s; transform: translate(-5px,-5px); } .sun-quote-pages:hover { transform: scale(1.3); } .sun-quote-pages:hover::after { opacity: 1; } .wrapper{ margin-left:150px; margin-top:50px; }
<div class="wrapper"> <div class="sun-quote-pages"> </div> </div>
这是一个使用radial-gradient
的想法
.sun-quote-pages { border-radius: 50%; background: radial-gradient(circle at center,#f4953b 54%,transparent 56%,transparent 65%,#f4953b 66%); background-color: #f4953b; width: 4.1em; height: 4.1em; border: 2px solid transparent; transition: transform 0.5s ease, background 0.5s ease, box-shadow 0.5s ease; } .sun-quote-pages:hover { transform: scale(1.3); background-color:transparent; } .wrapper { margin-left: 150px; margin-top: 50px; }
<div class="wrapper"> <div class="sun-quote-pages"> </div> </div>
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