.led-box {
  height: 30px;
  width: 25%;
  margin: 10px 0;
  float: left;
}

.led-box p {
  font-size: 12px;
  text-align: center;
  margin: 1em;
}

.led-red {
  margin: 0 auto;
  width: 24px;
  height: 24px;
  background-color: #F00;
  border-radius: 50%;
  box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #441313 0 -1px 9px, rgba(255, 0, 0, 0.5) 0 2px 12px;
}

.led-red.off {
  opacity: 0.2;
}

.led-red.blink {
  -webkit-animation: blinkRed 0.5s infinite;
  -moz-animation: blinkRed 0.5s infinite;
  -ms-animation: blinkRed 0.5s infinite;
  -o-animation: blinkRed 0.5s infinite;
  animation: blinkRed 0.5s infinite;
}


@-webkit-keyframes blinkRed {
    from { background-color: #F00; }
    50% { background-color: #A00; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #441313 0 -1px 9px, rgba(255, 0, 0, 0.5) 0 2px 0;}
    to { background-color: #F00; }
}
@-moz-keyframes blinkRed {
    from { background-color: #F00; }
    50% { background-color: #A00; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #441313 0 -1px 9px, rgba(255, 0, 0, 0.5) 0 2px 0;}
    to { background-color: #F00; }
}
@-ms-keyframes blinkRed {
    from { background-color: #F00; }
    50% { background-color: #A00; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #441313 0 -1px 9px, rgba(255, 0, 0, 0.5) 0 2px 0;}
    to { background-color: #F00; }
}
@-o-keyframes blinkRed {
    from { background-color: #F00; }
    50% { background-color: #A00; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #441313 0 -1px 9px, rgba(255, 0, 0, 0.5) 0 2px 0;}
    to { background-color: #F00; }
}
@keyframes blinkRed {
    from { background-color: #F00; }
    50% { background-color: #A00; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #441313 0 -1px 9px, rgba(255, 0, 0, 0.5) 0 2px 0;}
    to { background-color: #F00; }
}

.led-yellow {
  margin: 0 auto;
  width: 24px;
  height: 24px;
  background-color: #FF0;
  border-radius: 50%;
  box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #808002 0 -1px 9px, #FF0 0 2px 12px;
}

.led-yellow.off {
  opacity: 0.2;
}

@-webkit-keyframes blinkYellow {
    from { background-color: #FF0; }
    50% { background-color: #AA0; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #808002 0 -1px 9px, #FF0 0 2px 0; }
    to { background-color: #FF0; }
}
@-moz-keyframes blinkYellow {
    from { background-color: #FF0; }
    50% { background-color: #AA0; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #808002 0 -1px 9px, #FF0 0 2px 0; }
    to { background-color: #FF0; }
}
@-ms-keyframes blinkYellow {
    from { background-color: #FF0; }
    50% { background-color: #AA0; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #808002 0 -1px 9px, #FF0 0 2px 0; }
    to { background-color: #FF0; }
}
@-o-keyframes blinkYellow {
    from { background-color: #FF0; }
    50% { background-color: #AA0; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #808002 0 -1px 9px, #FF0 0 2px 0; }
    to { background-color: #FF0; }
}
@keyframes blinkYellow {
    from { background-color: #FF0; }
    50% { background-color: #AA0; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #808002 0 -1px 9px, #FF0 0 2px 0; }
    to { background-color: #FF0; }
}

.led-green {
  margin: 0 auto;
  width: 24px;
  height: 24px;
  background-color: #ABFF00;
  border-radius: 50%;
  box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #304701 0 -1px 9px, #89FF00 0 2px 12px;
}

.led-green.off {
  opacity: 0.2;
}

.led-blue {
  margin: 0 auto;
  width: 24px;
  height: 24px;
  background-color: #24E0FF;
  border-radius: 50%;
  box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #006 0 -1px 9px, #3F8CFF 0 2px 14px;
}

.led-blue.off {
  opacity: 0.2;
}