.apparatus {
    width: 100%;
    /* height: 50vh; */
}

.apparatus li {
    width: 33%;
    /* height: 50vh; */
    height: 3.2rem;
    float: left;
    line-height: 3.2rem;
    text-align: center;
}

.apparatus li p {
    width: 80%;
    height: 100%;
    border: 1px solid rgb(226, 226, 226);
    box-sizing: border-box;
    /* margin: 0 auto; */
}

/* .apparatus li :hover{
    background: skyblue;
} */
.card-img-top {
    width: auto;
    height: auto;
    /* object-fit: cover; */
    max-width: 100%;
    max-height: 100%;
    margin: 0 auto;
}
.card-img-150{
    text-align: center;
}