span.battime {
    font-size: 10pt;
    font-weight: normal;
    padding-right: 5px;
}

i.batpower {
    font-size: 14pt;
}

@keyframes battery-blink {
    0% { opacity: 1; }
    25% { opacity: 0.5; }
    50% { opacity: 0.25; }
    75% { opacity: 0.5; }
    100% { opacity: 1; }
}
.battery-blink {
    -webkit-animation: battery-blink 3s linear infinite;
    -moz-animation: battery-blink 3s linear infinite;
    -ms-animation: battery-blink 3s linear infinite;
    -o-animation: battery-blink 3s linear infinite;
    animation: battery-blink 3s linear infinite;
}