.lds-ring {
    display: inline-block;
    position: fixed;
   left: 54%;
    top: 60%;
    transform: translate(-50%,-50%);
    width: 200px;
    height: 200px;

    -webkit-display: inline-block;
    -webkit-position: fixed;
    -webkit-left: 50%;
    -webkit-top: 45%;
    -webkit-transform: translate(-50%,-50%);
    -webkit-width: 200px;
    -webkit-height: 200px;
}
.text-loading{
    position: fixed;
    left: 50%;
    top: 45%;
    transform: translate(-50%,-50%);
    font-size: 25px;
    text-shadow: 1px 1px 3px rgba(1,1,1,0.9);
    -webkit-position: fixed;
    -webkit-left: 50%;
    -webkit-top: 45%;
    -webkit-transform: translate(-50%,-50%);
    -webkit-font-size: 25px;
    -webkit-text-shadow: 2px 2px 4px rgba(1,1,1,0.9);
}
.lds-ring div {
    box-sizing: border-box;
    display: block;
    position: absolute;
    width: 50px;
    height: 50px;
    border: 8px solid #fff;
    border-radius: 50%;
    animation: lds-ring 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

.lds-ring div:nth-child(1) {
    animation-delay: -0.45s;
}
.lds-ring div:nth-child(2) {
    animation-delay: -0.3s;
}
.lds-ring div:nth-child(3) {
    animation-delay: -0.15s;
}
@keyframes lds-ring {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}
.lds-ring div {
border-color: #337AB7 transparent transparent transparent;
}