.loading-container {
    display:none;
    box-sizing: border-box;
    position: fixed;
    flex-flow: column nowrap;
    align-items: center;
    justify-content: space-around;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    z-index: 2147483647;    
    background-color: rgba(0, 0, 0, 0.5);
}

.loading-container-sm {
    display: none;
    position: absolute;
    width: 100%;
    height: 100%;
    vertical-align: middle;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2;
}

    .loading-container-sm .lds-dual-ring {
        position: absolute;
        left: 45%;
        top: 45%;
        z-index: 2;
    }

    .lds-dual-ring {
        margin-right: auto;
        display: block;
        margin-left: auto;
        width: 46px;
        height: 46px;
    }

    .lds-dual-ring:after {
        content: " ";
        display: block;
        width: 46px;
        height: 46px;
        margin: 1px;
        border-radius: 50%;
        border: 5px solid #5d5d60;
        border-color: #5d5d60 transparent #5d5d60 transparent;
        animation: lds-dual-ring 1.2s linear infinite;
    }

@keyframes lds-dual-ring {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}



.lds-ring {
    display: inline-block;
    position: absolute;
    width: 128px;
    height: 128px;
    top: 46%;
    right: 46%;
}

    .lds-ring div {
        box-sizing: border-box;
        display: block;
        position: absolute;
        width: 102px;
        height: 102px;
        margin: 6px;
        border: 6px solid #444444;
        border-radius: 50%;
        animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
        border-color: #444444 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;
        }

@keyframes lds-ring {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}