* {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
html {
    font:
        14px/1.5 Source Han Serif CN,
        Arial,
        Microsoft Yahei,
        Hiragino Sans GB,
        sans-serif;
    -webkit-tap-highlight-color: transparent;
}
body,
dd,
dl,
h1,
h2,
h3,
h4,
h5,
h6,
ol,
p,
ul {
    margin: 0;
}
ol,
td,
ul {
    padding: 0;
}
ol,
ul {
    list-style-type: none;
}
h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%;
    font-weight: 100;
}
a,
button,
img,
input,
textarea {
    outline: none;
}
a {
    color: #000;
    text-decoration: none;
}
img {
    border: 0;
    vertical-align: top;
}
button,
input,
textarea {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    padding: 0;
    border: 1px solid #999;
    font-size: 100%;
}
input,
textarea {
    display: block;
    width: 100%;
    font-size: inherit;
    font-family: inherit;
}
input {
    height: 40px;
    padding: 0 8px;
}
textarea {
    height: 150px;
    padding: 8px;
    resize: none;
}
button {
    cursor: pointer;
}
hr {
    margin: 0;
    border: 0;
    height: 1px;
    background-color: #000;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
}
video {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
    object-fit: cover;
}
video::-internal-media-controls-download-button {
    display: none;
}
video::-webkit-media-controls-enclosure {
    overflow: hidden;
}
video::-webkit-media-controls-panel {
    width: calc(100% + 30px);
}