这篇文章给大家分享的是用CSS实现NES游戏机的动画效果的内容。对大家学习CSS3使用有一定的帮助，因此分享给大家做个参考，文中示例代码介绍的非常详细，感兴趣的朋友接下来一起跟随小编看看吧。

实现效果

实现代码

html

<input type="radio" name="nes-size" id="size1">
<label for="size1" class="size1" ></label>
<input type="radio" name="nes-size" id="size2">
<label for="size2" class="size2"></label>
<input type="radio" name="nes-size" id="size3" checked>
<label for="size3" class="size3"></label>
<input type="radio" name="nes-size" id="size4">
<label for="size4" class="size4"></label>

<div id="nes">
  <div class="nes-top"> 
    <div class="lid">
            <h1>Nintendo</h1>
            <h2>ENTERTAINMENT SYSTEM</h2>
        </div>
        <div class="cartridge-slot">
          <div class="cartridge-slot-border">          
          </div>
          <div class="cartridge-slot-hole"></div>
        </div>
   </div>
  <div class="nes-bottom">
    <div class="power-box">
      <input type="checkbox" id="power" />
      <div class="reset"></div>
      <label for="power" class="power"></label>     
      <div class="light"></div>
     
    </div>
  </div>
  <div class="gamepads-slots">
    <div class="gamepad-slot p1"></div>
    <div class="gamepad-slot p2"></div>
  </div>
</div>

css3

@import url(https://fonts.googleapis.com/css?family=Coda+Caption:800);
body {
background: #DB5A48;
}
#size1, #size2, #size3, #size4 {
position: absolute;
left: -9999px;
}
input:checked + .size1, input:checked + .size2, input:checked + .size3, input:checked + .size4 {
box-shadow: inset 2px 3px 0px rgba(0, 0, 0, 0.34),inset -1px -1px 0px rgba(255, 255, 255, 0.22);
background: #7A7077;
}
.size1 {
position: absolute;
width: 20px;
height: 20px;
background: #CDC8C5;
left: 60px;
top: 60px;
border-radius: 50%;
}
.size2 {
position: absolute;
width: 40px;
height: 40px;
background: #CDC8C5;
left: 90px;
top: 50px;
border-radius: 50%;
}
.size3 {
position: absolute;
width: 60px;
height: 60px;
background: #CDC8C5;
left: 140px;
top: 40px;
border-radius: 50%;
}
.size4 {
position: absolute;
width: 80px;
height: 80px;
background: #CDC8C5;
left: 220px;
top: 30px;
border-radius: 50%;
}
#size1:checked ~ #nes{
  font-size:8px
}
#size2:checked ~ #nes{
  font-size:12px
}
#size3:checked ~ #nes{
  font-size:16px
}
#size4:checked ~ #nes{
  font-size:20px
}
#nes {
	width: 45em;
	height: 15em;
	margin: 140px auto;
	position: relative;
	color: #B62F28;
	font-family: 'Coda Caption', sans-serif;
  -webkit-transition: all 0.1s;
-moz-transition: all 0.1s;
-o-transition: all 0.1s;
-ms-transition: all 0.1s;
transition: all 0.1s;
}

#nes:after {
	content: "";
	position: absolute;
	width: 80%;
	height: 0;

	-webkit-box-shadow: 0 0 5em 3em rgba(0, 0, 0, 0.22);
	box-shadow: 0 0 5em 3em rgba(0, 0, 0, 0.22);
	bottom: -4%;
	left: 10%;
	z-index: -1;
	border-radius: 50%;
}

#nes:before {
	content: "";
	position: absolute;
	width: 99.4%;
	height: 0;
	top: -3%;
	left: 0.3%;
	border-bottom: 0.5em solid #C9C4C1;
	border-left: 2em solid rgba(0, 0, 0, 0);
	border-right: 2em solid rgba(0, 0, 0, 0);

	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	-ms-box-sizing: border-box;
	box-sizing: border-box;
}

.nes-top {
	position: absolute;
	top: 0;
	left0;
	 width: 45em;
	height: 7.4em;
	background: #cdc8c5;
	border-radius: 0.3em 0.3em 0 0;

	-webkit-box-shadow: 0 0.1em 0em #B8B4B2,0 0.5em 0em -0.2em #535353;
	box-shadow: 0 0.1em 0em #B8B4B2,0 0.5em 0em -0.2em #535353;
	border-top: 0.2em solid rgba(255, 255, 255, 0.32);
	border-left: 0.2em solid rgba(255, 255, 255, 0.32);
	border-right: 0.2em solid rgba(0, 0, 0, 0.05);

	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	-ms-box-sizing: border-box;
	box-sizing: border-box;
}

h1 {
	font-size: 1.5em;
	position: absolute;
	top: 0.4em;
	left: 0.85em;
}

.lid h2 {
	font-size: 0.6em;
	position: absolute;
	top: 5.1em;
	left: 2.2em;
}

.lid {
	z-index: 1;
	width: 25em;
	height: 6em;
	background: #CDC8C5;
	position: absolute;
	left: 5em;

	-webkit-transition: all 1s;
	-moz-transition: all 1s;
	-o-transition: all 1s;
	-ms-transition: all 1s;
	transition: all 1s;
	-webkit-transform-style: preserve-3d;
	-moz-transform-style: preserve-3d;
	-ms-transform-style: preserve-3d;
	transform-style: preserve-3d;
	-webkit-perspective: 0;

	-webkit-transform-origin:0 0 -6em;
-moz-transform-origin:0 0 -6em;
-o-transform-origin:0 0 -6em;
-ms-transform-origin:0 0 -6em;
transform-origin:0 0 -6em;


	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	-ms-box-sizing: border-box;
	box-sizing: border-box;
	border-top: 0.2em solid rgba(255, 255, 255, 0.32);
	top: -0.2em;

	-webkit-box-shadow: 0 0.1em 0.2em 0 rgba(0, 0, 0, 0.41);
	box-shadow: 0 0.1em 0.2em 0 rgba(0, 0, 0, 0.41);
	border-right: 0.1em solid rgba(255, 255, 255, 0.26);
	border-bottom: 0.1em solid rgba(255, 255, 255, 0.26);
	border-radius: 0.15em;
}

.lid:before {
content: "";
position: absolute;
width: 20%;
left: 40%;
height: 0.2em;
bottom: 0;
background: #E7E7E7;
background: #CDC8C5;
background: -moz-linear-gradient(top, rgba(205, 200, 197, 1) 0%, rgba(231, 231, 231, 1) 100%);
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(205, 200, 197, 1)), 

color-stop(100%,rgba(231, 231, 231, 1)));
background: -webkit-linear-gradient(top, rgba(205, 200, 197, 1) 0%,rgba(231, 231, 231, 1) 100%);
background: -o-linear-gradient(top, rgba(205, 200, 197, 1) 0%,rgba(231, 231, 231, 1) 100%);
background: -ms-linear-gradient(top, rgba(205, 200, 197, 1) 0%,rgba(231, 231, 231, 1) 100%);
background: linear-gradient(to bottom, rgba(205, 200, 197, 1) 0%,rgba(231, 231, 231, 1) 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#cdc8c5', endColorstr='#e7e7e7',GradientType=0 );
box-shadow: 0.2em 0.05em 0.3em -0.1em rgba(0, 0, 0, 0.3);
}
.nes-top:hover .lid {
	-webkit-transform: rotateX(55deg);
	-moz-transform: rotateX(55deg);
	-o-transform: rotateX(55deg);
	-ms-transform: rotateX(55deg);
	transform: rotateX(55deg);


	-webkit-box-shadow: 0 3.1em 5.2em -2em rgba(0, 0, 0, 0.32);
	box-shadow: 0 3.1em 5.2em -2em rgba(0, 0, 0, 0.32);
}

.nes-top:before {
content: "";
position: absolute;
border-right: 0.8em solid #B8B8B8;
top: -0.22em;
left: 4.8em;
border-top: 0.3em solid rgba(0, 0, 0, 0);
z-index: 1;
}
.nes-top:after {
content: "";
position: absolute;
border-left: 0.8em solid #B8B8B8;
top: -0.22em;
left: 29.4em;
border-top: 0.3em solid rgba(0, 0, 0, 0);
}
.lid:after {
	content: "";
	width: 23.9em;
	height: 6.1em;
	background: #CDC8C5;
	position: absolute;
	left: 0.45em;
	top: -6em;

	-webkit-transform: rotateX(90deg) translateY(-3em) translateZ(-3em);
	-moz-transform: rotateX(90deg) translateY(-3em) translateZ(-3em);
	-o-transform: rotateX(90deg) translateY(-3em) translateZ(-3em);
	-ms-transform: rotateX(90deg) translateY(-3em) translateZ(-3em);
	transform: rotateX(90deg) translateY(-3em) translateZ(-3em);
}

.nes-bottom {
width: 39em;
height: 7.5em;
background: #7A7077;
position: absolute;
bottom: 0;
left: 3em;
border-bottom: 0.2em solid rgba(255, 255, 255, 0.1);
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
-ms-box-sizing: border-box;
box-sizing: border-box;
-webkit-box-shadow: 0 0.6em 1em -0.3em rgba(0, 0, 0, 0.45);
box-shadow: 0 0.6em 1em -0.3em rgba(0, 0, 0, 0.45);
}

.nes-bottom:after {
	border-bottom: 6em solid transparent;
	border-left: 3em solid #7A7077;
	content: "";
	height: 1.5em;
	position: absolute;
	right: -3em;
	top: 0;
}

.nes-bottom:before {
	border-bottom: 6em solid transparent;
	border-right: 3em solid #7A7077;
	content: "";
	height: 1.5em;
	position: absolute;
	left: -3em;
	top: 0;
}

.power-box {
	position: absolute;
	left: 1.4em;
	width: 11.5em;
	top: 0;
	height: 5.8em;
	border: 0.1em solid rgba(0, 0, 0, 0.05);
	border-top: 0;
	border-radius: 0.3em;
	border-top-right-radius: 0;
	border-right: 0.1em solid rgba(255, 255, 255, 0.05);

	-webkit-box-shadow: 0 0.1em 0 0em rgba(0, 0, 0, 0.01);
	box-shadow: 0 0.1em 0 0em rgba(0, 0, 0, 0.01);
	color: #AC2828;
}

.light {
	position: absolute;
	width: 0.6em;
	height: 0.6em;
	left: 0.6em;
	bottom: 1.3em;
	background-color: #504F4F;

	background-image: -webkit-linear-gradient(45deg, #3D3D3D 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%,

 #3D3D3D 75%, #3D3D3D ), -webkit-linear-gradient(-45deg, #3D3D3D 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, 

#3D3D3D 75%, #3D3D3D );
	background-image: -moz-linear-gradient(45deg, #3D3D3D 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%,

#3D3D3D 75%, #3D3D3D ), -moz-linear-gradient(-45deg, #3D3D3D 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, 

#3D3D3D 75%, #3D3D3D );
	background-image: -o-linear-gradient(45deg, #3D3D3D 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, 

#3D3D3D 75%, #3D3D3D ), -o-linear-gradient(-45deg, #3D3D3D 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, 

#3D3D3D 75%, #3D3D3D );
	background-image: -ms-linear-gradient(45deg, #3D3D3D 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, 

#3D3D3D 75%, #3D3D3D ), -ms-linear-gradient(-45deg, #3D3D3D 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, 

#3D3D3D 75%, #3D3D3D );
	background-image: linear-gradient(45deg, #3D3D3D 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%,

 #3D3D3D 75%, #3D3D3D ), linear-gradient(-45deg, #3D3D3D 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%,

 #3D3D3D 75%, #3D3D3D );

	-webkit-background-size: 0.2em 0.2em;
	-moz-background-size: 0.2em 0.2em;
	background-size: 0.2em 0.2em;

	-webkit-box-shadow: -0.1em -0.1em 0.1em rgba(0, 0, 0, 0.3),0.1em 0.1em 0.1em rgba(255, 255, 255, 0.1);
	box-shadow: -0.1em -0.1em 0.1em rgba(0, 0, 0, 0.3),0.1em 0.1em 0.1em rgba(255, 255, 255, 0.1);

	-webkit-transition: all 0.2s;
	-moz-transition: all 0.2s;
	-o-transition: all 0.2s;
	-ms-transition: all 0.2s;
	transition: all 0.2s;
}

#power:checked ~ .light {
	background-image: -webkit-linear-gradient(45deg, #FFF 25%, #FFF 25%, #FFF 75%, #FFF 75%, #FFF ), 

-webkit-linear-gradient(-45deg, #FFF 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, #FFF 75%, #FFF );
	background-image: -moz-linear-gradient(45deg, #FFF 25%, #FFF 25%, #FFF 75%, #FFF 75%, #FFF ), 

-moz-linear-gradient(-45deg, #FFF 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, #FFF 75%, #FFF );
	background-image: -o-linear-gradient(45deg, #FFF 25%, #FFF 25%, #FFF 75%, #FFF 75%, #FFF ),

 -o-linear-gradient(-45deg, #FFF 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, #FFF 75%, #FFF );
	background-image: -ms-linear-gradient(45deg, #FFF 25%, #FFF 25%, #FFF 75%, #FFF 75%, #FFF ), 

-ms-linear-gradient(-45deg, #FFF 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, #FFF 75%, #FFF );
	background-image: linear-gradient(45deg, #FFF 25%, #FFF 25%, #FFF 75%, #FFF 75%, #FFF ), 

linear-gradient(-45deg, #FFF 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, #FFF 75%, #FFF );

	-webkit-box-shadow: inset 0 0 0.5em 0.2em #F1270B,0 0 0.5em #F1550B,-0.1em -0.1em 0.1em rgba(0, 0, 0, 0.3),

0.1em 0.1em 0.1em rgba(255, 255, 255, 0.1);
	box-shadow: inset 0 0 0.5em 0.2em #F1270B,0 0 0.5em #F1550B,-0.1em -0.1em 0.1em rgba(0, 0, 0, 0.3),

0.1em 0.1em 0.1em rgba(255, 255, 255, 0.1);
}

#power:checked + .reset:active ~ .light, #power:checked + .reset:focus ~ .light {
background-color: rgba(255, 255, 255, 0.06);
background-image: linear-gradient(45deg, #3D3D3D 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, #3D3D3D 75%, #3D3D3D ),

 linear-gradient(-45deg, #3D3D3D 25%, rgba(0, 0, 0, 0) 25%, rgba(0, 0, 0, 0) 75%, #3D3D3D 75%, #3D3D3D );
box-shadow: none;
}
#power {
	position: absolute;
	left: -9999px;
}

.power,.reset {
	position: absolute;
	cursor: pointer;
	width: 6em;
	line-height: 3.8em;
	height: 2.8em;
	left: 3em;
	top: 5em;
	font-size: 0.6em;
	border-top: 0.5em solid rgba(0, 0, 0, 0.09);
	border-right: 0.5em solid rgba(0, 0, 0, 0.03);
	border-bottom: 0.5em solid rgba(255, 255, 255, 0.1);
	border-left: 0.5em solid rgba(255, 255, 255, 0.04);
	border-radius: 0.6em;
}

.reset {
	left: 11em;
	top: 5em;
}

.power:before,.reset:before {
	content: "POWER";
	position: absolute;
	width: 94%;
	height: 95%;
	left: 3%;
	top: 10%;
	text-align: center;
	border-radius: 0.3em;
	border-top: 0.3em solid rgba(255, 255, 255, 0.09);
	border-right: 1px solid rgba(255, 255, 255, 0.06);
	border-bottom: 1px solid rgba(0, 0, 0, 0.04);
	background: #7A7077;

	-webkit-box-shadow: 0 -0.4em 0 #665E64,0 0.2em 1em -0.3em rgba(0, 0, 0, 0.69);
	box-shadow: 0 -0.4em 0 #665E64,0 0.2em 1em -0.3em rgba(0, 0, 0, 0.69);

	-webkit-transition: all 0.1s;
	-moz-transition: all 0.1s;
	-o-transition: all 0.1s;
	-ms-transition: all 0.1s;
	transition: all 0.1s;
}

.reset:before {
	content: "RESET";
}

.power:hover:before,.reset:hover:before,#power:checked + .power:before {
	top: 0;

	-webkit-box-shadow: 0 -0.2em 0 #665E64,0 0.2em 0.6em -0.3em rgba(0, 0, 0, 0.69);
	box-shadow: 0 -0.2em 0 #665E64,0 0.2em 0.6em -0.3em rgba(0, 0, 0, 0.69);
}

.power:focus:before,.power:active:before,.reset:focus:before,.reset:active:before {
	top: -0.1em;

	-webkit-box-shadow: 0 -0.1em 0 #665E64,0 0.1em 0.6em -0.3em rgba(0, 0, 0, 0.69),

 inset 0 0.2em 1em rgba(0, 0, 0, 0.07);
	box-shadow: 0 -0.1em 0 #665E64,0 0.1em 0.6em -0.3em rgba(0, 0, 0, 0.69), inset 0 0.2em 1em rgba(0, 0, 0, 0.07);
	border: none;
}

.cartridge-slot {
	width: 25em;
	height: 5.9em;
	position: absolute;
	left: 4.8em;
	border-right: 0.2em solid rgba(0, 0, 0, 0.06);
	border-bottom: 0.2em solid rgba(255, 255, 255, 0.28);
	border-left: 0.2em solid rgba(0, 0, 0, 0.12);
	border-radius: 0 0 0.5em 0.5em;
	overflow: hidden;
}

.cartridge-slot:before {
	position: absolute;
	height: 88%;
	content: "";
	width: 95.5%;
	left: -6%;
	top: 0;
	border-bottom: 3em solid rgba(0, 0, 0, 0.04);
	border-right: 2em solid rgba(0, 0, 0, 0.1);
	border-left: 2em solid rgba(0, 0, 0, 0.1);
}

.gamepads-slots {
	height: 100%;
	position: absolute;
	width: 19%;
	right: 13%;
	background: #333;
	border-top: 0.2em solid rgba(255, 255, 255, 0.15);
	border-bottom: 0.2em solid rgba(255, 255, 255, 0.1);

	-webkit-box-shadow: inset -0.2em 0 0 rgba(0, 0, 0, 0.1),inset 0.2em 0 0 rgba(0, 0, 0, 0.1),

-0.2em 0 0 rgba(0, 0, 0, 0.2), 0.2em 0 0 rgba(0, 0, 0, 0.2), -0.25em 0 0 rgba(255, 255, 255, 0.10), 

0.25em 0 0 rgba(255, 255, 255, 0.1), inset 0 -1.90em 0 #333, inset 0 -1.95em 0 rgba(255, 255, 255, 0.09),

 inset 0 -2em 0 rgba(0, 0, 0, 0.16), inset 0 -6.45em 0 #333, inset 0 -6.55em 0 rgba(0, 0, 0, 0.4), 

inset 0 -6.6em 0 rgba(255, 255, 255, 0.05), inset 0 -7.35em 0 #333, inset 0 -7.4em 0 rgba(255, 255, 255, 0.09), 

inset 0 -7.45em 0 rgba(0, 0, 0, 0.16), inset 0 -8.7em 0 #333, inset 0 -8.75em 0 rgba(0, 0, 0, 0.4), 

inset 0 -8.85em 0 rgba(255, 255, 255, 0.05), inset 0 1.3em 0 #333, inset 0 1.35em 0 rgba(0, 0, 0, 0.4),

 inset 0 1.4em 0 rgba(255, 255, 255, 0.08);
	box-shadow: inset -0.2em 0 0 rgba(0, 0, 0, 0.1),inset 0.2em 0 0 rgba(0, 0, 0, 0.1),-0.2em 0 0 rgba(0, 0, 0, 0.2),

 0.2em 0 0 rgba(0, 0, 0, 0.2), -0.25em 0 0 rgba(255, 255, 255, 0.10), 0.25em 0 0 rgba(255, 255, 255, 0.1),

 inset 0 -1.90em 0 #333, inset 0 -1.95em 0 rgba(255, 255, 255, 0.09), inset 0 -2em 0 rgba(0, 0, 0, 0.16),

 inset 0 -6.45em 0 #333, inset 0 -6.55em 0 rgba(0, 0, 0, 0.4), inset 0 -6.6em 0 rgba(255, 255, 255, 0.05),

 inset 0 -7.35em 0 #333, inset 0 -7.4em 0 rgba(255, 255, 255, 0.09), inset 0 -7.45em 0 rgba(0, 0, 0, 0.16), 

inset 0 -8.7em 0 #333, inset 0 -8.75em 0 rgba(0, 0, 0, 0.4), inset 0 -8.85em 0 rgba(255, 255, 255, 0.05),

 inset 0 1.3em 0 #333, inset 0 1.35em 0 rgba(0, 0, 0, 0.4), inset 0 1.4em 0 rgba(255, 255, 255, 0.08);

	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	-ms-box-sizing: border-box;
	box-sizing: border-box;
}

.cartridge-slot:after {
position: absolute;
width: 97%;
left: 1.2%;
height: 0.5em;
background: #CDC8C5;
bottom: 8%;
content: "";
}
.cartridge-slot-border {
position: absolute;
width: 95.5%;
left: 2%;
height: 0.4em;
background: #BEBABA;
bottom: 15%;
}
.cartridge-slot-border:before {
content: "";
position: absolute;
border-right: 0.2em solid #BEBABA;
top: 0em;
left: -0.2em;
border-top: 0.4em solid rgba(0, 0, 0, 0);
z-index: 1;
}
.cartridge-slot-border:after {
content: "";
position: absolute;
border-left: 0.2em solid #BEBABA;
top: 0em;
right: -0.2em;
border-top: 0.4em solid rgba(0, 0, 0, 0);
z-index: 1;
}
.gamepads-slots:before {
	content: "";
	position: absolute;
	width: 99.4%;
	height: 2%;
	top: -3.2%;
	left: -3.7%;
	background: #333;

	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	-ms-box-sizing: border-box;
	box-sizing: border-box;

	-webkit-transform: skew(72deg);
	-moz-transform: skew(72deg);
	-o-transform: skew(72deg);
	-ms-transform: skew(72deg);
	transform: skew(72deg);
}

.gamepad-slot {
	position: absolute;
	bottom: 2.15em;
	width: 3em;
	left: 0.8em;
	height: 4em;
	border-radius: 0.6em;
	background: #303030;
	border-top: 0.1em solid rgba(255, 255, 255, 0.09);
	border-bottom: 0.1em solid #000;

	-webkit-box-shadow: 0 -0.1em 0 0.1em rgba(255, 255, 255, 0),0 -0.1em 0em 0.1em rgba(0, 0, 0, 0.19);
	box-shadow: 0 -0.1em 0 0.1em rgba(255, 255, 255, 0),0 -0.1em 0em 0.1em rgba(0, 0, 0, 0.19);
}

.p2 {
	right: 0.8em;
	left: inherit;
}

.gamepad-slot:after {
	content: "";
	position: absolute;
	width: 0.6em;
	height: 0.6em;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.22);

	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	-ms-box-sizing: border-box;
	box-sizing: border-box;
	left: 0.8em;
	top: 0.7em;

-webkit-box-shadow: 
	inset 0 0 0 0.2em #1A1A1A, 
	0 0 0 0em #000, 
	0 0.70em 0 -0.2em rgba(255, 255, 255, 0.22), 
	0 0.73em 0 #1A1A1A, 
	0 0.73em 0 #000, 
	0.70em 0.70em 0 -0.2em rgba(255, 255, 255, 0.22), 
	0.70em 0.73em 0 #1A1A1A, 
	0.70em 0.73em 0 #000, 
	0 1.40em 0 -0.2em rgba(255, 255, 255, 0.22), 
	0 1.43em 0 #1A1A1A, 
	0 1.43em 0 #000, 
	0.70em 1.40em 0 -0.2em rgba(255, 255, 255, 0.22), 
	0.70em 1.43em 0 #1A1A1A, 
	0.70em 1.43em 0 #000, 
	0 2.10em 0 -0.2em rgba(255, 255, 255, 0.22), 
	0 2.10em 0 #1A1A1A, 
	0 2.10em 0 #000, 
	0.70em 2.10em 0 -0.2em rgba(255, 255, 255, 0.22), 
	0.70em 2.10em 0 #1A1A1A, 
	0.70em 2.10em 0 #000;
box-shadow: 
	inset 0 0 0 0.2em #1A1A1A, 
	0 0 0 0em #000, 
	0 0.70em 0 -0.2em rgba(255, 255, 255, 0.22), 
	0 0.73em 0 #1A1A1A, 
	0 0.73em 0 #000, 
	0.70em 0.70em 0 -0.2em rgba(255, 255, 255, 0.22), 
	0.70em 0.73em 0 #1A1A1A, 
	0.70em 0.73em 0 #000, 
	0 1.40em 0 -0.2em rgba(255, 255, 255, 0.22), 
	0 1.43em 0 #1A1A1A, 
	0 1.43em 0 #000, 
	0.70em 1.40em 0 -0.2em rgba(255, 255, 255, 0.22), 
	0.70em 1.43em 0 #1A1A1A, 
	0.70em 1.43em 0 #000, 
	0 2.10em 0 -0.2em rgba(255, 255, 255, 0.22), 
	0 2.10em 0 #1A1A1A, 
	0 2.10em 0 #000, 
	0.70em 2.10em 0 -0.2em rgba(255, 255, 255, 0.22), 
	0.70em 2.10em 0 #1A1A1A, 
	0.70em 2.10em 0 #000;

}

.gamepads-slots:after {
	content: "1 2";
	position: absolute;
	top: 12em;
	left: 3.6em;
	font-size: 0.6em;
	word-spacing: 5.7em;
	color: #8B1A1A;
}
.cartridge-slot-hole {
width: 82%;
height: 75%;
background: #423F3F;
position: absolute;
left: 8.6%;
top: 5%;
border-radius: 0.2em;
border-left: 0.1em solid rgba(255, 255, 255, 0.88);
border-right: 0.1em solid rgba(255, 255, 255, 0.88);
box-shadow: inset 0 2em 3em #000, inset 0 -0.4em 0 #424242, inset 0 -1.2em 0 #222;
}
.cartridge-slot-hole:before {
content: "";
position: absolute;
width: 92%;
left: 4%;
height: 2em;
bottom: 1.15em;
background: #141414;
background: -moz-linear-gradient(left, rgba(20, 20, 20, 1) 0%, rgba(5, 5, 5, 1) 100%);
background: -webkit-gradient(linear, left top, right top, color-stop(0%,rgba(20, 20, 20, 1)), color-stop(100%,rgba(5, 5, 5, 1)));
background: -webkit-linear-gradient(left, rgba(20, 20, 20, 1) 0%,rgba(5, 5, 5, 1) 100%);
background: -o-linear-gradient(left, rgba(20, 20, 20, 1) 0%,rgba(5, 5, 5, 1) 100%);
background: -ms-linear-gradient(left, rgba(20, 20, 20, 1) 0%,rgba(5, 5, 5, 1) 100%);
background: linear-gradient(to right, rgba(20, 20, 20, 1) 0%,rgba(5, 5, 5, 1) 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#141414', endColorstr='#050505',GradientType=1 );
}
.cartridge-slot-hole:after {
content: "";
position: absolute;
width: 0.2em;
height: 0.1em;
left: 1.8em;
top: 33%;
background: #3C3C3C;
color: #3C3C3C;
box-shadow: 0.4em 0 0, 0.8em 0 0, 1.2em 0 0, 1.6em 0 0, 2em 0 0, 2.4em 0 0, 2.8em 0 0, 3.2em 0 0, 3.6em 0 0, 

4em 0 0, 4.4em 0 0, 4.8em 0 0, 5.2em 0 0, 5.6em 0 0, 6em 0 0, 6.4em 0 0, 6.8em 0 0, 7.2em 0 0, 7.6em 0 0, 8em 0 0,

 8.4em 0 0, 8.8em 0 0, 9.2em 0 0, 9.6em 0 0, 10em 0 0, 10.4em 0 0, 10.8em 0 0, 11.2em 0 0, 11.6em 0 0, 12em 0 0, 

12.4em 0 0, 12.8em 0 0, 13.2em 0 0, 13.6em 0 0, 14em 0 0, 14.4em 0 0, 14.8em 0 0, 15.2em 0 0, 15.6em 0 0, 16em 0 0, 

16.4em 0 0;
}
.gamepad-slot:before {
content: "";
position: absolute;
width: 72%;
left: 14%;
height: 86%;
top: 7%;
border: 0.35em solid rgba(0, 0, 0, 0.53);
box-sizing: border-box;
-moz-box-sizing: border-box;
border-radius: 1em 80% 0.8em 0.8em / 1em 61% 0.8em 0.8em;
box-shadow: -0.1em 0 0 rgba(255, 255, 255, 0.02),inset 0.1em 0 0 rgba(255, 255, 255, 0.03),

inset -0.1em 0.1em 0 rgba(255, 255, 255, 0.11);
}

    以上就是关于用CSS实现NES游戏机的动画效果的介绍，上述示例具有一定的借鉴价值，有需要的朋友可以参考学习，希望对大家学习CSS3的使用有帮助，想要了解更多可以继续浏览群英网络其他相关的文章。

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