grokru Oct 9 2012 at 11:26

Удивительно простой, но красивый CSS-эффект

4 min

67K

Наткнулся на очень простой в реализации, но интересный rollover-эффект для кнопок на CSS. Автор — некий японец ksk1015.

Демонстрация эффекта и процесс написания.

Реализация крайне проста:

<a href="#" class="one"></a>
<a href="#" class="two"></a>
<a href="#" class="three"></a>
<br />
<a href="#" class="yon"></a>
<a href="#" class="goo"></a>
<a href="#" class="rok"></a>
<a href="#" class="ryk"></a>
<br />
<a href="#" class="x7"></a>
<a href="#" class="x8"></a>
<a href="#" class="x9"></a>

CSS:

body {
	padding: 100px 20px;
}

a {
	background-image: url(data:image/gif;base64,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);
	background-position: 50% 50%;
	background-repeat: no-repeat;
	background-origin: border-box;
	
	display: inline-block; width: 100px; height: 100px;
	border-width: 50px;
	border-color: rgba(0,0,0,0);
	
	border-radius: 100%;
	-moz-border-radius: 100%;
	-webkit-border-radius: 100%;
	
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	
	-webkit-transition: 0.5s ease;
	-moz-transition: 0.5s ease;
	-ms-transition: 0.5s ease;
	-o-transition: 0.5s ease;
	transition: 0.5s ease;
}

a:hover {
	border-width: 0;
	border-color: rgba(0, 0, 0, 0.5);
}

.one{border-style: solid;}
.two{border-style: dashed;}
.three{border-style: dotted;}

.yon {border: 50px solid rgba(0, 0, 0, 0.7);}
.goo {border: 50px dashed rgba(0, 0, 0, 0.7);}
.rok {border: 50px dotted rgba(0, 0, 0, 0.7);}
.ryk {border: 50px double rgba(0, 0, 0, 0.7);}
.yon:hover{border: 1px solid rgba(0, 0, 0, 0.7);}
.goo:hover{border: 1px dashed rgba(0, 0, 0, 0.7);}
.rok:hover{border: 1px dotted rgba(0, 0, 0, 0.7);}
.ryk:hover{border: 1px double rgba(0, 0, 0, 0.7);}

.x7, .x8, .x9 {
	border-radius: 0;
	-moz-border-radius: 0;
	-webkit-border-radius: 0;
}
.x7 {border: 50px solid rgba(0, 0, 0, 0.7);}
.x8 {border: 50px dashed rgba(0, 0, 0, 0.7);}
.x9 {border: 50px dotted rgba(0, 0, 0, 0.7);}
.x7:hover {border: 1px solid rgba(0, 0, 0, 0.7);}
.x8:hover {border: 1px dashed rgba(0, 0, 0, 0.7);}
.x9:hover {border: 1px dotted rgba(0, 0, 0, 0.7);}

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