.spinner {
    width: 100%;
    height: 100%;
    position: relative;
    background: #1B1C3C;
    overflow: hidden;
}

.double-bounce1,
.double-bounce2 {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    opacity: 0.6;
    top: 48%;
    left: 48%;
    position: absolute;
    -webkit-animation: bounce 2.0s infinite ease-in-out;
    animation: bounce 2.0s infinite ease-in-out;
}

.double-bounce1 {
    background-color: #B7B525;
}

.double-bounce2 {
    background-color: red;
}

.double-bounce2 {
    -webkit-animation-delay: -1.0s;
    animation-delay: -1.0s;
}

@-webkit-keyframes bounce {
    0%,
    100% {
        -webkit-transform: scale(0.0)
    }
    50% {
        -webkit-transform: scale(1.0)
    }
}

@keyframes bounce {
    0%,
    100% {
        transform: scale(0.0);
        -webkit-transform: scale(0.0);
    }
    50% {
        transform: scale(1.0);
        -webkit-transform: scale(1.0);
    }
}

@media only screen and (max-width: 550px) {
    .double-bounce1,
    .double-bounce2 {
        top: 45%;
        left: 45%;
    }
}