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

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

.led-yellowc {
  margin: 0 auto;
  width: 54px;
  height: 54px;
  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 {
  margin: 0 auto;
  width: 54px;
  height: 54px;
  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;
  -webkit-animation: blinkYellow var(--t) infinite;
  -moz-animation: blinkYellow var(--t) infinite;
  -ms-animation: blinkYellow var(--t) infinite;
  -o-animation: blinkYellow var(--t) infinite;
  animation: blinkYellow var(--t) infinite;
}

@-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; }
}
.myButton {
  background-color:#44c767;
  border-radius:28px;
  border:1px solid #18ab29;
  display:inline-block;
  cursor:pointer;
  color:#ffffff;
  font-family:Arial;
  font-size:10px;
  padding:16px 31px;
  text-decoration:none;
  text-shadow:0px 1px 0px #2f6627;
}
.myButton:hover {
  background-color:#5cbf2a;
}
.myButton:active {
  position:relative;
  top:1px;
}