.fspiner {
    margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.fspiner .spinner {
    width: 40px;
    height: 40px;

    position: relative;
    margin: 100px auto;
}

.fspiner .spinner .double-bounce1,
.fspiner .spinner .double-bounce2 {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #1875f0;
    opacity: 0.6;
    position: absolute;
    top: 0;
    left: 0;

    -webkit-animation: sk-bounce 2s infinite ease-in-out;
    animation: sk-bounce 2s infinite ease-in-out;
}

.fspiner .spinner .double-bounce2 {
    -webkit-animation-delay: -1s;
    animation-delay: -1s;
}

@-webkit-keyframes sk-bounce {
    0%,
    100% {
        -webkit-transform: scale(0);
    }
    50% {
        -webkit-transform: scale(1);
    }
}

@keyframes sk-bounce {
    0%,
    100% {
        transform: scale(0);
        -webkit-transform: scale(0);
    }
    50% {
        transform: scale(1);
        -webkit-transform: scale(1);
    }
}