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

.spinner-wave > div {
    background-color: #2c57a7;
    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); }
}