@media screen and (max-width: 640px){

.article-list-ul {
    list-style: none;
    margin: 0px;
    padding: 0px;
}

.article-list-box {
    background-color: #F4FDFF;
    margin: 10px 0px;
    padding: 10px;
    text-align: left;
    border-bottom: solid 2px #C1F4FF;
    -moz-border-radius: 5px; /* firefox */
    border-radius: 5px; /* CSS3 */
}

.article-list-title {
    font-size: medium;
    line-height: 30px;
    margin: 0px;
    padding: 0px;
}

.article-list-category {
    font-size: small;
    margin: 0px;
    padding: 0px;
}

.article-list-date {
    font-size: small;
    text-align: right;
    margin: 0px;
    padding: 0px;
}

}