.parent{
    display: flex;
    justify-content: center;
}

.parent .card{
    width: 220px;
    /* height: 160px; */
    border-radius: 15px;
    background-color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 30px;
    margin: 0 5px;
    position: relative;
}
.parent .card .img img{
    width: 90px;
    height: 90px;
    transition: All 0.5s;
    cursor: pointer;
}
.parent .card:hover .img img{
    transform: scale(1.15);
    -webkit-transform: scale(1.15);
}
.parent .card .title{
    font-size: 18px;
    margin-top: 20px;
    margin-bottom: 10px;
}
.parent .card .tip{
    font-size: 13px;
    color: #999;
}
.parent .card .ewm{
    position: absolute;
    z-index: 10;
    top: 0;
    width: 100%;
    height: 100%;
    display: none;
    text-align: center;
    justify-content: center;
    align-items: center;
}
.parent .card .ewm img{
    max-width: 100%;
    max-height: 100%;
}
.parent .card:hover .ewm{
    display: flex;
}

.parent a{
    text-decoration: underline;
    color: blue;
}