#overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

.cv-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    box-sizing: border-box;
    overflow: hidden;
}

.cv-spinner img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
    height: auto;
}

.cv-spinner .spinner {
    position: absolute;
    width: 80px;
    height: 80px;
    border: 4px #ddd solid;
    border-top: 4px #577ed4 solid;
    box-sizing: border-box;
    border-radius: 50%;
    animation: sp-anime 0.8s infinite linear;
}

@keyframes sp-anime {
    100% {
        transform: rotate(360deg);
    }
}