.loading{
    text-align: center;
}
.loading .spinner {
    display: inline-block;
    width: 50px;
    height: 60px;
    text-align: center;
    font-size: 10px
}

.loading .spinner > .double {
    background: #49a9ee;
    height: 100%;
    width: 6px;
    display: inline-block;
    -webkit-animation: stretchDelay 1.2s infinite ease-in-out;
    animation: stretchDelay 1.2s infinite ease-in-out
}

.loading .spinner .rect2 {
    -webkit-animation-delay: -1.1s;
    animation-delay: -1.1s
}

.loading .spinner .rect3 {
    -webkit-animation-delay: -1.0s;
    animation-delay: -1.0s
}

.loading .spinner .rect4 {
    -webkit-animation-delay: -0.9s;
    animation-delay: -0.9s
}

.loading .spinner .rect5 {
    -webkit-animation-delay: -0.8s;
    animation-delay: -0.8s
}

@-webkit-keyframes stretchDelay {

    0%,
    40%,
    100% {
        -webkit-transform: scaleY(.4)
    }

    20% {
        -webkit-transform: scaleY(1)
    }
}

@keyframes stretchDelay {

    0%,
    40%,
    100% {
        transform: scaleY(.4);
        -webkit-transform: scaleY(.4)
    }

    20% {
        transform: scaleY(1);
        -webkit-transform: scaleY(1)
    }
}