.waitCursor {
    background-color: rgba(255, 255, 255, 0.25);
    cursor: wait;
}

.longWait {
    font-family: verdana;
    font-size: 3vmin;
    margin-top: 11vw;
}

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

.lds-ring {
    width: 10vw;
    height: 10vw;
}

    .lds-ring div {
        box-sizing: border-box;
        display: block;
        position: absolute;
        width: 10vw;
        height: 10vw;
        margin: 1vw;
        border: 1vw solid #fff;
        border-radius: 50%;
        animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
        border-color: transparent transparent transparent;
    }

        .lds-ring div:nth-child(1) {
            animation-delay: -0.45s;
        }

        .lds-ring div:nth-child(2) {
            animation-delay: -0.3s;
        }

        .lds-ring div:nth-child(3) {
            animation-delay: -0.15s;
        }