.item_container {
    margin-top: 70px;
    width: 100%;
    display: inline-block;
}

.item {
    text-align: center;
    width: 30%;
    float: left;
    margin: 1.66%;
}
.item-img {
    height: 900px;
}

img {
    max-width: 100%;
    max-height: 70%;
    transition: all 0.5s;
}

img:hover {
    border: 1px solid gray;
}

.btn-default {
    margin-top: 5px;
    margin-bottom: 10px
}

.model {
    font-weight: bold;
}