/* 8. loader */
.loader-wrap {
    color: #FFFFFF;
    height: 100%;
    width: 100%;
    position: fixed;
    z-index: 999;
    top: 0;
    left: 0;
}

    .loader-wrap > *:first-child {
        z-index: 1;
        position: relative;
    }

    .loader-wrap:after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        height: 100%;
        width: 100%;
        background: rgba(0, 0, 0, 0.65);
        z-index: 0;
    }

    .loader-wrap strong {
        font-weight: 600;
    }

.loader-cube-wrap {
    margin: 20px auto;
    width: 40px;
    height: 40px;
    position: relative;
    -webkit-transform: rotateZ(45deg);
    transform: rotateZ(45deg);
}

    .loader-cube-wrap .loader-cube {
        float: left;
        width: 50%;
        height: 50%;
        position: relative;
        -webkit-transform: scale(1.1);
        -ms-transform: scale(1.1);
        transform: scale(1.1);
    }

        .loader-cube-wrap .loader-cube:before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: #ffffff;
            -webkit-animation: loaderangle 2.4s infinite linear both;
            animation: loaderangle 2.4s infinite linear both;
            -webkit-transform-origin: 100% 100%;
            -ms-transform-origin: 100% 100%;
            transform-origin: 100% 100%;
            border-radius: 3px;
            margin: -2px;
        }

    .loader-cube-wrap .loader-cube2 {
        -webkit-transform: scale(1.1) rotateZ(90deg);
        transform: scale(1.1) rotateZ(90deg);
    }

        .loader-cube-wrap .loader-cube2:before {
            -webkit-animation-delay: 0.3s;
            animation-delay: 0.3s;
        }

    .loader-cube-wrap .loader-cube3 {
        -webkit-transform: scale(1.1) rotateZ(180deg);
        transform: scale(1.1) rotateZ(180deg);
    }

        .loader-cube-wrap .loader-cube3:before {
            -webkit-animation-delay: 0.6s;
            animation-delay: 0.6s;
        }

    .loader-cube-wrap .loader-cube4 {
        -webkit-transform: scale(1.1) rotateZ(270deg);
        transform: scale(1.1) rotateZ(270deg);
    }

        .loader-cube-wrap .loader-cube4:before {
            -webkit-animation-delay: 0.9s;
            animation-delay: 0.9s;
        }

@-webkit-keyframes loaderangle {
    0%, 10% {
        -webkit-transform: perspective(140px) rotateX(-180deg);
        transform: perspective(140px) rotateX(-180deg);
        opacity: 0;
    }

    25%, 75% {
        -webkit-transform: perspective(140px) rotateX(0deg);
        transform: perspective(140px) rotateX(0deg);
        opacity: 1;
    }

    90%, 100% {
        -webkit-transform: perspective(140px) rotateY(180deg);
        transform: perspective(140px) rotateY(180deg);
        opacity: 0;
    }
}

@keyframes loaderangle {
    0%, 10% {
        -webkit-transform: perspective(140px) rotateX(-180deg);
        transform: perspective(140px) rotateX(-180deg);
        opacity: 0;
    }

    25%, 75% {
        -webkit-transform: perspective(140px) rotateX(0deg);
        transform: perspective(140px) rotateX(0deg);
        opacity: 1;
    }

    90%, 100% {
        -webkit-transform: perspective(140px) rotateY(180deg);
        transform: perspective(140px) rotateY(180deg);
        opacity: 0;
    }
}