* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', 'Microsoft YaHei';
}
html {
    background: rgba(255, 255, 255, .95);
}
li {
    list-style: none;
}
a {
    text-decoration: none;
}
button, input {
    outline: none;
}
.h1, .h2, .h3, h1, h2, h3 {
    margin-top: 20px;
    margin-bottom: 10px;
}
.h4, .h5, .h6, h4, h5, h6 {
    margin-top: 10px;
    margin-bottom: 10px;
}
.h1, .h2, .h3, .h4, .h5, .h6, h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.1;
    color: inherit;
}
.h1,
h1 {
    font-size: 36px;
}
.h2,
h2 {
    font-size: 30px;
}
.h3,
h3 {
    font-size: 24px;
}
.h4,
h4 {
    font-size: 18px;
}
.h5,
h5 {
    font-size: 14px;
}
.h6,
h6 {
    font-size: 12px;
}