.v_overlay {
            display: none;
            position: fixed;
            background: rgb(0 0 0 / 78%);
            width: 100%;
            height: 100%;
            z-index: 9999;
        }

        .v_loading-item:before {
            display: block;
            content: "";
            clear: both;
            background: rgb(90 63 63 / 50%);
            width: 100%;
            height: 100%;
            position: absolute;
            z-index: 9;
            top: 0;
            bottom: 0;
        }

        .v_loading-item:after {
            border: 6px solid #f3f3f3;
            border-radius: 100%;
            -webkit-animation: spin 2s linear infinite;
            animation: spin 2s linear infinite;
            position: absolute;
            top: 42%;
            left: 50%;
            width: 50px;
            height: 50px;
            border-top: 4px solid blue;
            border-right: 4px solid green;
            border-bottom: 4px solid red;
            border-left: 4px solid pink;
            -webkit-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);
            z-index: 99;
        }

        .v_loading-item:after {
            display: block;
            content: "";
            clear: both;
        }