css模拟开关灯特效

源码

<div id="lampadario">
  <input type="radio" name="switch" value="on">
  <input type="radio" name="switch" value="off" checked="checked">
  <label for="switch"></label>
  <div id="filo"></div>
  <div id="lampadina">
    <div id="sorpresa">
      <div id="footer">Hello there!</div>
      <div id="shadow"> Hello there!</div>
    </div>
  </div>
</div>

<style>
html, body {
	font-family: Georgia, serif;
	font-style: italic;
	font-size: 4.2vmin;
	line-height: 4.7vmin;
	color: rgba(255,255,255,0.6);
	margin: 0;
	padding: 0;
	height: 100%;
	background: rgba(66,39,71,1);
	background: linear-gradient(to bottom, rgba(66,39,71,1) 0%, rgba(43,25,46,1) 73%, rgba(19,11,20,1) 100%);
}
a {
	color: rgba(255,255,255,0.6);
}
#lampadario {
	position: fixed;
	left: 50%;
	top: 0;
}
#filo {
	position: relative;
	background-color: #000000;
	width: 2px;
	height: 150px;
	left: 50%;
	margin-left: -1px;
	z-index: 1;
	transform-origin: 0% 0%;
	animation: oscillaFilo .9s ease-in-out 0s infinite alternate;
}
#filo:after {
	content: " ";
	left: -5px;
	top: 100%;
	position: absolute;
	border-bottom: 15px solid #000000;
	border-left: 4px solid transparent;
	border-right: 4px solid transparent;
	height: 0;
	width: 4px;
}
#lampadina {
	position:relative;
}
input[value="off"]:checked ~ #filo {
	box-shadow: -80px -10px 7px 0 rgba(0,0,0,0.1);
}
input[value="off"]:checked ~ #filo:after {
	box-shadow: -80px -10px 10px -2px rgba(0,0,0,0.1);
}
input {
	position: absolute;
	width: 90px;
	height: 70px;
	top: 150px;
	margin-left:-45px;
	opacity: 0;
	z-index: 1;
	cursor: pointer;
}
input[value="on"] {
	top: 150px;
}
input[value="off"] {
	top: -100px;
}
input[value="on"]:checked {
	top: -100px;
}
input[value="on"]:checked + input[value="off"] {
	top: 150px;
}
label {
	width: 51px;
	height: 51px;
	top: 164px;
	position: absolute;
	left: 0;
	margin-left: -24px;
	border-radius: 100%;
	animation: oscillaLampadina .9s ease-in-out 0s infinite alternate;
}           
input[value="off"]:checked ~ label {
	background: rgba(255,255,255,0.03);
	box-shadow: inset 0px 1px 5px rgba(255,255,255,0.1), inset 0px 2px 20px rgba(255,255,255,0.07), -80px -15px 15px -5px rgba(0,0,0,0.1);
}
input[value="on"]:checked ~ label {
	background: rgba(255,255,255,1);
	box-shadow: 0px 0px 10px rgba(255,255,255,0.8), 0px 0px 30px rgba(255,255,255,0.8), 0px 0px 50px rgba(255,255,255,0.6), 0px 0px 70px rgba(255,255,255,0.6), -80px -15px 120px 0px rgba(255,255,255,0.4);
}

input[value="off"]:checked ~
label:after {
	content: " ";
	width: 15px;
	height: 15px;
	top: 0;
	position: absolute;
	left: 0;
	margin-left: 15px;
	border-radius: 100%;
	border: 2px solid rgba(255,255,255,0.03);
}
#sorpresa {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
}
input[value="off"]:checked ~ #lampadina #sorpresa {
	opacity: 0;
}
input[value="on"]:checked ~ #lampadina #sorpresa {
	opacity: 1;
}
#footer {
	position: fixed;
	width: 94%;
	text-align: center;
	bottom: 30%;
	padding: 0 3%;
	z-index:1;
}
#shadow {
	position: fixed;
	width: 94%;
	text-align: center;
	bottom: 29%;
	padding: 0 3%;
	color:rgba(0,0,0,0);
	text-shadow: 0px 0px 4px rgba(0,0,0,0.3);
	transform-origin: 50% 0px;
	animation: ombraTesto .9s ease-in-out 0s infinite alternate;
}

@keyframes oscillaFilo {
	from {
		transform:rotate(5deg);
	} to {
		transform:rotate(-5deg);
	}
}
@keyframes oscillaLampadina {
	from {
		transform: rotate(3deg) translate(-16.4px,-1px);
	} to {
		transform: rotate(-3deg) translate(16.4px,-1px);
	}
}
@keyframes ombraTesto {
	from {
		transform: translate(1px,0px) scale(1.01,1.06) skew(0.9deg, 0deg);
	} to {
		transform: translate(-1px,0px) scale(1.01,1.06) skew(-0.9deg, 0deg);
	}
}
</style>

链接: https://www.fly63.com/course/33_1608