.strip-grey{
    background-color: rgb(226, 226, 226);
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.websites{
    text-align: center;
}
.prev-site{
    display: inline-block;
}