.part1, .part2 {
    margin-left: auto;
    margin-right: auto;
    border: 2px solid black;
}

.part1 {
    width: 60%;
}

.part2 {
    width: 30%;
}
.part1 p {
    text-align: center;
}
.selection {
    display: flex;
    justify-content: center;
    gap: 10%;

}


.part2 .container {
    display: flex;
    justify-content: center;
}

.part2 p {
    text-align: center;
}

.part3 {
    width: 60%;
    display: flex;
    justify-content: center;
    gap: 30%;

    border: 2px solid black;

    margin-right: auto;
    margin-left: auto;
}

.part3 button {
    margin-top: auto;
    margin-bottom: auto;
    width: 120px;
    height: 40px;
}