.spinner {
    top: 0px;
    position: fixed;
    z-index: 999;
    display: block;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,.3);
}

.spinner-center {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

.spinner .bounce {
    width: 18px;
    height: 18px;
    background-color: #fff;
    border-radius: 100%;
    display: inline-block;
    -webkit-animation: sk-bouncedelay 1.4s infinite ease-in-out both;
    animation: sk-bouncedelay 1.4s infinite ease-in-out both;
}

.spinner h4 {
    display: block;
    font-size: 14px;
    color: #fff;
    font-family: Arial, sans-serif;
    -webkit-animation: blink 2s infinite ease-in-out both;
    animation: blink 2s infinite ease-in-out both;
}

.spinner .bounce1 {
    -webkit-animation-delay: -0.32s;
    animation-delay: -0.32s;
}

.spinner .bounce2 {
    -webkit-animation-delay: -0.16s;
    animation-delay: -0.16s;
}

@-webkit-keyframes sk-bouncedelay {
    0%, 80%, 100% {
        -webkit-transform: scale(0);
    }

    40% {
        -webkit-transform: scale(1.0);
    }
}

@keyframes sk-bouncedelay {
    0%, 80%, 100% {
        -webkit-transform: scale(0);
        transform: scale(0);
    }

    40% {
        -webkit-transform: scale(1.0);
        transform: scale(1.0);
    }
}

@-webkit-keyframes blink {
    0% {
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}

@keyframes blink {
    0% {
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}