.loading{
    display: none;
}
.loading.show{
    display: block;
}
.loading {
    position: absolute;
    height: 100%;
    width: 100%;
    max-width: 505px;
    opacity: 0.5;
    z-index: 1; 
    background-color: #ffffff !important;
    text-align: center;
    margin: 0 !important;
    padding: 0 !important;
}
.form-container {
    position: relative;
}
.loading img {
    width: 300px;
    top: calc(50% - 100px);
    position: relative;
    max-width: 100%;
}
.loading.old {
    background-color: #f1f5f9;
    max-width: 100% !important;
}