.periodicals {
    width: 100%;
    display: flex;
    justify-content: left;
    flex-wrap: wrap;
}
.periodicals-item {
    width: 20%;
    text-align: center;
    margin-top: 10px;
    transition: all 0.3s ease-out;
    padding: 10px;
    box-sizing: border-box;
}
.periodicals-item:hover {
    transform: scale(1.1);
}
.periodicals-item img {
    width: 85%;
    height: 250px;
}
.periodicals-item div {
    font-size: 14px;
    margin-top: 7px;
    line-height: 21px;
}
@media screen and (max-width: 550px){
    .periodicals-item {
        width: 50%;
    }
}