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console 命令行工具 X clear

                    
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console
<div class="flex-container">
	<div class="unit">
		<div class="pole-unit mono">
			<div class="pole-top">
	<!-- 			<div class="ball"></div> -->
				<div class="cover"></div>
				<div class="band"></div>
				<div class="thin-band"></div>
			</div>
			<div class="pole-middle">
				<div class="container">
					<div class="pole"></div>
				</div>
			</div>
			<div class="pole-bottom">
				<div class="thin-band"></div>
				<div class="band"></div>
				<div class="cover"></div>
	<!-- 			<div class="ball"></div> -->
			</div>
		</div>
		<div class="shadow"></div>
	</div>
	<div class="unit">
		<div class="pole-unit vary">
			<div class="pole-top">
	<!-- 			<div class="ball"></div> -->
				<div class="cover"></div>
				<div class="band"></div>
				<div class="thin-band"></div>
			</div>
			<div class="pole-middle">
				<div class="container">
					<div class="pole"></div>
				</div>
			</div>
			<div class="pole-bottom">
				<div class="thin-band"></div>
				<div class="band"></div>
				<div class="cover"></div>
	<!-- 			<div class="ball"></div> -->
			</div>
		</div>
		<div class="shadow"></div>
	</div>
	
</div>
html,
body {
  width: 100%;
  height: 100%;
}
body {
  background-color: #fef7e5;
}
* {
  box-sizing: border-box;
}
.flex-container {
  width: 100%;
  height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.unit {
  padding: 0 60px;
}
.shadow {
  width: 80px;
  height: 15px;
  border-radius: 40%;
  margin: 30px auto;
  background-color: rgba(0,0,0,0.05);
}
.pole-top,
.pole-middle,
.pole-bottom {
  display: block;
  width: 100%;
  text-align: center;
}
.ball {
  position: relative;
  width: 24px;
  height: 24px;
  margin: auto;
  border: 4px solid #4b4c4d;
  border-radius: 50%;
  background-color: #fafafa;
}
.ball:after {
  content: '';
  display: block;
  width: 4px;
  height: 10px;
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  background-color: #4b4c4d;
}
.pole-top .ball {
  margin-bottom: 5px;
}
.pole-top .ball:after {
  top: 18px;
}
.pole-bottom .ball {
  margin-top: 5px;
}
.pole-bottom .ball:after {
  bottom: 18px;
}
.cover {
  width: 80px;
  height: 36px;
  margin: 0 auto;
  position: relative;
  border: 4px solid #4b4c4d;
  background-color: #fafafa;
  overflow: hidden;
}
.cover:before {
  content: '';
  border-radius: inherit;
  display: block;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  z-index: 12;
  border-right-style: solid;
  border-left-style: solid;
  border-right-width: 6px;
  border-right-color: rgba(120,120,120,0.1);
  border-left-width: 10px;
  border-left-color: rgba(60,60,60,0.1);
}
.pole-top .cover {
  margin-bottom: -8px;
  border-radius: 36px 36px 0 0;
  border-bottom-width: 0;
}
.pole-bottom .cover {
  margin-top: -8px;
  border-radius: 0 0 36px 36px;
  border-top-width: 0;
}
.band {
  position: relative;
  width: 96px;
  height: 24px;
  margin: 0 auto;
  z-index: 10;
  border: 4px solid #4b4c4d;
  background-color: #fafafa;
  border-radius: 6px;
}
.band:before {
  content: '';
  display: block;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  z-index: 12;
  border-right-style: solid;
  border-left-style: solid;
  border-right-width: 6px;
  border-right-color: rgba(120,120,120,0.1);
  border-left-width: 12px;
  border-left-color: rgba(60,60,60,0.1);
}
.thin-band {
  width: 82px;
  height: 8px;
  margin: 0 auto;
  box-sizing: content-box;
  border: 4px solid #4b4c4d;
  background-color: #fafafa;
}
.thin-band:before {
  content: '';
  display: block;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  z-index: 12;
  border-right-style: solid;
  border-left-style: solid;
  border-right-width: 6px;
  border-right-color: rgba(120,120,120,0.1);
  border-left-width: 12px;
  border-left-color: rgba(60,60,60,0.1);
}
.pole-top .thin-band {
  border-radius: 0 0 4px 4px;
  border-top-width: 0;
}
.pole-bottom .thin-band {
  border-radius: 4px 4px 0 0;
  border-bottom-width: 0;
}
.container {
  width: 80px;
  height: 144px;
  margin: 0 auto;
  position: relative;
  border: 4px solid #4b4c4d;
  border-top-width: 0;
  border-bottom-width: 0;
  background-color: rgba(250,250,255,0.5);
}
.container:before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  bottom: 0;
  right: 15%;
  left: 50%;
  z-index: 15;
  background-image: -webkit-linear-gradient(right, rgba(255,255,255,0.8), rgba(255,255,255,0.8) 33.33%, rgba(255,255,255,0.2) 33.33%, rgba(255,255,255,0.2) 100%);
  background-image: linear-gradient(to left, rgba(255,255,255,0.8), rgba(255,255,255,0.8) 33.33%, rgba(255,255,255,0.2) 33.33%, rgba(255,255,255,0.2) 100%);
}
.pole {
  width: 64px;
  height: 100%;
  margin: 0 auto;
  background-color: #fff;
  background-repeat: repeat-y;
  background-size: 100% 88px;
  background-position: 0% 0%;
  -webkit-animation: spin 4s linear infinite;
          animation: spin 4s linear infinite;
}
.pole:before {
  content: '';
  display: block;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  z-index: 12;
  border-right-style: solid;
  border-left-style: solid;
  border-right-width: 10px;
  border-right-color: rgba(120,120,120,0.1);
  border-left-width: 14px;
  border-left-color: rgba(60,60,60,0.1);
}
.mono .pole {
  background-image: -webkit-repeating-linear-gradient(115deg, #fff, #fff 20px, #df5646 20px, #df5646 40px, #fff 40px, #fff 60px, #1c78a4 60px, #1c78a4 80px);
  background-image: repeating-linear-gradient(-25deg, #fff, #fff 20px, #df5646 20px, #df5646 40px, #fff 40px, #fff 60px, #1c78a4 60px, #1c78a4 80px);
}
.vary .pole {
  background-image: -webkit-repeating-linear-gradient(115deg, #fff, #fff 10px, #df5646 10px, #df5646 40px, #fff 40px, #fff 50px, #1c78a4 50px, #1c78a4 80px);
  background-image: repeating-linear-gradient(-25deg, #fff, #fff 10px, #df5646 10px, #df5646 40px, #fff 40px, #fff 50px, #1c78a4 50px, #1c78a4 80px);
}
@-webkit-keyframes spin {
  0% {
    background-position: 0% 0%;
  }
  100% {
    background-position: 0% 176px;
  }
}
@keyframes spin {
  0% {
    background-position: 0% 0%;
  }
  100% {
    background-position: 0% 176px;
  }
}