main {
    width: 96%;
    height: 80%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.illu {
    width: 100%;
}

.lost {
    width: 100%;
    margin: 0 auto;
}

.container_btn {
    height: 0;
    width: 100%;
    display: flex;
    justify-content: center;
}

.lost .btn-primary {
    margin-top: 0;
    position: relative;
    bottom: 70px;
    padding: 2% 4%;
    backdrop-filter: blur(3px);
    background: rgba(59, 150, 133, 0.4);
}

.lost .btn-primary:hover {
    backdrop-filter: blur(6px);
    background: rgba(59, 150, 133, 0.8);
}