.cen {
    text-align: center;
}

.mb {
    margin-bottom: 40px;
}

img {
    max-width: 100%;
}

* {
    box-sizing: border-box;
}

body {
    background-image: url(img/005-subtle-light-patterns.jpg);
    background-attachment: fixed;
    background-size: 5%;
}

section {
    padding: 15px 0;
}

.inner {
    max-width: 768px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.biginner {
    max-width: 1000px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

input[type="search"] {
    border-radius: 20px;
    border: 1px solid #333333;
    padding: 10px;
    outline: none;
}

input[type="search"] {
    -webkit-appearance: searchfield;
}

input[type="search"]::-webkit-search-cancel-button {
    -webkit-appearance: searchfield-cancel-button;
}

.tagcloud ul {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
}

.tagcloud ul li {
    position: relative;
    list-style: none;
    min-width: 100px;
    padding: 10px 28px 10px 10px;
    margin: 0px 10px 5px 0px;
    box-sizing: border-box;
    border-left: 5px solid rgb(255 195 24 / 86%);
    background: rgb(255, 255, 255, 0.8);
    color: #333333;
    font-weight: bold;
    border-radius: 0 10px 10px 0;
    font-size: 15px;
    cursor: pointer;
}

.tagcloud ul li span {
    position: absolute;
    top: 10px;
    right: 5px;
    display: block;
    width: 20px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    background-color: darkorange;
    border-radius: 100%;
}

.tagcloud ul li:hover {
    opacity: 0.8;
}

.article_wrap {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    padding: 0 1%;
    box-sizing: border-box;
}

.article_wrap a {
    display: contents;
    transition: all 0.2s;
}

.article_wrap a:hover {
    text-decoration: none;
}

.article_wrap article {
    width: 414px;
    margin-bottom: 40px;
    position: relative;
    background-repeat: no-repeat;
    background-size: contain;
    transition: all 0.2s;
    border-radius: 10px;
}

.article_wrap article .category {
    position: absolute;
    top: 0px;
    right: 0px;
    padding: 5px;
    box-sizing: border-box;
    border-left: 5px solid rgb(255 195 24 / 86%);
    background: rgb(255, 255, 255, 0.8);
    color: #333333;
    font-weight: bold;
    border-radius: 0 10px 0 0;
}

.article_wrap article .title {
    width: 100%;
    min-height: 3em;
    margin-top: calc(233px + -1em);
    background: rgba(0, 0, 0, 0.4);
    position: relative;
    font-size: 1.5em;
    color: #ffffff;
    padding: 7px;
    box-sizing: border-box;
    transition: all 0.2s;
    z-index: 1;
}

.article_wrap article .body {
    width: 100%;
    min-height: 200px;
    max-height: 200px;
    overflow: auto;
    background: #f4f4f4;
    position: relative;
    color: #333333;
    padding: 7px;
    box-sizing: border-box;
    font-size: 1.2em;
    line-height: 1.5em;
    border-radius: 0 0 10px 10px;
    transition: all 0.2s;
    z-index: 1;
}

.article_wrap article .data {
    display: none;
}

.article_wrap article:hover {}

.article_wrap article:hover::before {
    content: "";
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(255, 255, 255, 0.2);
    z-index: 0;
}

.article_wrap article:hover .title {
    background: rgba(0, 0, 0, 0.8);
}

.article_wrap article:hover .body {
    background: rgb(255 235 235 / 80%);
}

#keyword {
    position: relative;
}

#keyword:after {
    content: "×";
    font-weight: bold;
}

@media (max-width:768px) {
    body {
        background-image: url(img/005-subtle-light-patterns.jpg);
        background-attachment: inherit;
        background-size: 5%;
    }
    h1 {
        margin: 0 0;
    }
    #packages {
        padding: 2px;
    }
    .article_wrap article {
        width: 48vw;
        font-size: 10px;
    }
    .article_wrap article .title {
        margin-top: 27vw;
        font-size: 1.5em;
    }
    .inner,
    .biginner {
        padding: 0 1%;
    }
    #keyword {
        width: 90%;
    }
    #footerBtm {
        margin-top: 0px;
        padding-top: 0px;
        text-align: center;
    }
}