.fade:not(.show) {
    opacity: 0;
}
.modal {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1060;
    display: none;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    outline: 0;
}
.fade {
    transition: opacity .15s linear;
}