/* 纪念日黑白滤镜 */
/*html {*/
/*	filter:grayscale(100%);*/
/*	-webkit-filter:grayscale(100%);*/
/*	-moz-filter:grayscale(100%);*/
/*	-ms-filter:grayscale(100%);*/
/*	-o-filter:grayscale(100%);*/
/*	filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);*/
/*	-webkit-filter:grayscale(1)*/
/*}*/
/* 纪念日黑白滤镜 */

* {
    text-align: center;
}

a {
    color: #fb7299;
}

.left {
    text-align: left;
    float: left;
}

.right {
    text-align: right;
    float: right;
}

body {
    margin: 0;
}

header {
    position: sticky;
    top: 0em;
    background-color: #fb7299;
    height: 5em;
    padding: 0em 5em;
}

article {
    margin-top: 1em;
    padding: 0em 2em;
}

footer {
    background-color: black;
    padding: 0.5em 5em;
    margin-top: 1em;
}

#h1 {
    margin-top: 1em;
    height: 3em;
    border-radius: 0.5em;
}

#h2 {
    color: white;
    font-size: 2em;
    padding: 0.5em 0.5em 0em;
}

#h3 {
    margin-top: 1.5em;
    height: 2em;
}

#h4 {
    color: white;
    font-size: 1em;
    padding: 2em 0.5em 0em;
}

footer * {
    color: white;
}

.button1 {
    text-decoration: none;
    display: block;
    color: darkgray;
    transition: 0.2s;
    border-radius: 2em;
    border: 2px solid darkgray;
}

.button1:hover {
    color: #fb7299;
    transition: 0.2s;
    border: 2px solid #fb7299;
}

.beian {
    display: inline-block;
}

.beian a {
    display: inline-block;
    margin: 0;
    text-decoration: none;
}

.beian img {
    float: left;
    margin-right: 0.2em;
}

.beian span {
    float: left;
    color: #939393;
}