.btn-ghost {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.45);
    color: #fff;
    backdrop-filter: blur(2px);
}
.btn-ghost:hover,
.btn-ghost:focus {
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.7);
    color: #fff;
}