/*Hidden class for adding and removing*/
    .loader-dual-ring.hidden {
        display: none;
    }

    /*Add an overlay to the entire page blocking any further presses to buttons or other elements.*/
    .ovrl {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0,0,0,.8);
        z-index: 999;
        opacity: 1;
        transition: all 0.5s;
    }
    
    /*Spinner Styles*/
    .loader-dual-ring {
        display: inline-block;
        width_: 80px;
        height_: 80px;
    }
    .loader-dual-ring:after {
        content: " ";
        display: block;
        width: 64px;
        height: 64px;
        margin: 5% auto;
        border-radius: 50%;
        border: 6px solid #fff;
        border-color: #fff transparent #fff transparent;
        animation: loader-dual-ring 1.2s linear infinite;
    }
    @keyframes loader-dual-ring {
        0% {
            transform: rotate(0deg);
        }
        100% {
            transform: rotate(360deg);
        }
    }