.video-background {
    position: fixed;
    right: 0;
    bottom: 0;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -1000;
    overflow: hidden;
}

#myVideo {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -1000;
    transform: translateX(-50%) translateY(-50%);
}

.content {
    position: relative;
    z-index: 1;
}
.navigation{
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
}
.buton{
    display: flex;
}
div.modal-footer{
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
}