.register1 {
    position: relative;
}

.page {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    -ms-flex-pack: center;
    justify-content: center;
    min-height: 80vh;
}

.justify-content-center {
    -ms-flex-pack: center !important;
    justify-content: center !important;
}
.ms-auto, .mx-auto {
    margin-left: auto !important;
}

.page-single, .page-single-content {
    -ms-flex: 1 1 auto;
    flex: 1 1 auto;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: center;
    justify-content: center;
}