reset.css

.fn-clear {
    *zoom: 1;
}

.fn-clear::before,
.fn-clear::after {
    content: '';
    display: table;
}

.fn-clear::after {
    clear: both;
}

.fn-left {
    float: left;
}

.fn-right {
    float: right;
}

.fn-hide {
    display: none;
}

.fn-show {
    display: block;
}

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

.text-center {
    text-align: center;
}

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

*,
::after,
::before {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    -o-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    tap-highlight-color: transparent;
}

.disabled-select {
    -ms-user-select: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    user-select: none;
}

.no-appear {
    -webkit-appearance: none;
    -moz-appearance: none;
    -ms-appearance: none;
    -o-appearance: none;
    appearance: none;
}

body {
    /*font: 12px/1.5 'Helvetica Neue',Helvetica,Arial,'Microsoft Yahei','Hiragino Sans GB','Heiti SC','WenQuanYi Micro Hei',sans-serif;*/
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
}

body,
html {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    -webkit-text-size-adjust: none;
}