header
{
        background-image: url('../images/bg.jpg');
        background-size:cover;
        background-position: center center;
        height: 70vh;
}
.item img
{
        height: 250px;
        cursor: pointer;
}
.item a
{
        color: #333;
}
.item button
{
        margin-top: 10px;
}
.item button:hover a
{
        color: #fff;
        text-decoration: none;
        transition: .3s ease-in-out;
}

.details img
{
        height: 350px;
}