.loading {
    position: absolute;
    background: #666666;
    z-index: 99999;
    width: 100%;
    height: 100%;
    display: -webkit-box;
    justify-content: center;
    -webkit-box-pack: center;
    align-items: center;
    -webkit-box-align: center;
}
.content
{
    width:auto;
    height: auto;
    display: block;
}
.spinner {
    width: auto;
    height: 40px;
    font-size: 10px;
}
.percent{
    display: block;
    position: absolute;
    margin: auto;
    width: auto;
    height: auto;
    text-align: center;
    font-size: 15px;
    color: white;
}
.spinner > div {
    background-color: #7CCD7C;
    height: 100%;
    width: 6px;
    display: inline-block;
    -webkit-animation: stretchdelay 1.2s infinite ease-in-out;
    animation: stretchdelay 1.2s infinite ease-in-out;
}

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

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

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

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

@-webkit-keyframes stretchdelay {
    0%, 40%, 100% {
        -webkit-transform: scaleY(0.4)
    }
    20% {
        -webkit-transform: scaleY(1.0)
    }
}

@keyframes stretchdelay {
    0%, 40%, 100% {
        transform: scaleY(0.4);
        -webkit-transform: scaleY(0.4);
    }
    20% {
        transform: scaleY(1.0);
        -webkit-transform: scaleY(1.0);
    }
}