.list {
list-style-type: none;
display: flex;
flex-wrap:wrap;
width: 800px;
}
.card {
min-width: 200px;
background-color: tomato;
margin: 10px;
text-align: center;
transition: 1s;
}
.card:hover {
transform:scale(1.1);
.btn {
display: inline-block;
opacity:1;
visibility:visible;
}
}
.btn {
opacity:0;
visibility:hidden;
padding: 10px 20px;
transform:translatey(-10px);
transition:.4s;
}