.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;
    -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;
    -webkit-animation: blinkYellow 1s infinite;
    -moz-animation: blinkYellow 1s infinite;
    -ms-animation: blinkYellow 1s infinite;
    -o-animation: blinkYellow 1s infinite;
    animation: blinkYellow 1s 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;
    }
}

.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-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;
}