.spinner-wave {
    margin: 0 auto;
    width: 100px;
    height: 50px;
    text-align: center;
}

    .spinner-wave > div {
        /*background-color: #333;*/
        background-color: rgb(63,81,181);
        height: 100%;
        width: 6px;
        display: inline-block;
        -webkit-animation: wave 1.2s infinite ease-in-out;
        animation: wave 1.2s infinite ease-in-out;
    }

    .spinner-wave div:nth-child(2) {
        -webkit-animation-delay: -1.1s;
        animation-delay: -1.1s;
    }

    .spinner-wave div:nth-child(3) {
        -webkit-animation-delay: -1.0s;
        animation-delay: -1.0s;
    }

    .spinner-wave div:nth-child(4) {
        -webkit-animation-delay: -0.9s;
        animation-delay: -0.9s;
    }

    .spinner-wave div:nth-child(5) {
        -webkit-animation-delay: -0.8s;
        animation-delay: -0.8s;
    }

@-webkit-keyframes wave {
    0%, 40%, 100% {
        -webkit-transform: scaleY(0.4);
    }

    20% {
        -webkit-transform: scaleY(1.0);
    }
}

@keyframes wave {
    0%, 40%, 100% {
        transform: scaleY(0.4);
    }

    20% {
        transform: scaleY(1.0);
    }
}