.loader-holder{
    position: fixed;
    left:0;
    top:0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    background: black;
    opacity: 0.6;
}
.loader,
.loader:before,
.loader:after {
    background: #FFF;
    -webkit-animation: load1 1s infinite ease-in-out;
    animation: load1 1s infinite ease-in-out;
    width: 1em;
    height: 4em;
}
.loader:before,
.loader:after {
    position: absolute;
    content: '';
}
.loader:before {
    left: -1.5em;
}
.loader {
    text-indent: -9999em;
    margin: 8em auto;
    position: relative;
    font-size: 11px;
    top: 35%;
    transform: translateY(-50%);
    -webkit-animation-delay: -0.16s;
    animation-delay: -0.16s;
}
.loader:after {
    left: 1.5em;
    -webkit-animation-delay: -0.32s;
    animation-delay: -0.32s;
}

@-webkit-keyframes load1 {
    0%,
    80%,
    100% {
        box-shadow: 0 0 #FFF;
        height: 4em;
    }
    40% {
        box-shadow: 0 -2em #ffffff;
        height: 5em;
    }
}
@keyframes load1 {
    0%,
    80%,
    100% {
        box-shadow: 0 0 #FFF;
        height: 4em;
    }
    40% {
        box-shadow: 0 -2em #ffffff;
        height: 5em;
    }
}