html, body {
    background-color: #f5f5f5;
    height: 100%;
}

.center-screen {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-right: -50%;
    transform: translate(-50%, -50%);
    text-align: center;
    font-family: sans-serif;
    font-size: 16px;
}

.splash-screen {
    padding: 20px;
}

.splash-screen * {
    color: #333333;
}

.splash-screen img {
    opacity: 0.7;
}

.splash-screen div {
    margin: 5px 0;
}

.splash-pulsate {
    -webkit-animation: pulsate 1s ease-out;
    -webkit-animation-iteration-count: infinite;
    opacity: 0.5;
    font-size: 18px;
}

@-webkit-keyframes pulsate {
    0% {
        opacity: 0.2;
    }
    50% {
        opacity: 1.0;
    }
    100% {
        opacity: 0.2;
    }
}

.compatible {
    padding-top: 20px;
    font-size: 14px;
}