.loader {
            top: 0;
            left: 0;
            position: fixed;
            opacity: 0.8;
            z-index: 10000000;
            background: #ffffff;
            height: 100%;
            width: 100%;
            margin: auto;
        }

        .strip-holder {
            top: 50%;
            -webkit-transform: translateY(-50%);
            -ms-transform: translateY(-50%);
            transform: translateY(-50%);
            left: 50%;
            margin-left: -50px;
            position: relative;
        }