.myloader {
    overflow: hidden;
}
.myloader .loader {
    background-color: rgba(250, 250, 250);
    display: block;
    position: fixed;
    top: 0;
    overflow: hidden;
    height: 100%;
    width: 100%;
    z-index: 999999;

}
.myloader .loader img {
    position: absolute;
    height: 20px;
    width: 20px;
    top: 50%;
    left: 50%;
    transform: translate(-50%);
}