*,
::before,
::after {
    box-sizing: border-box;
    border-color: currentcolor;
    border-style: solid;
    border-width: 0;
}

#app {
    height: 100%;
    width: 100%;
}

html {
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    line-height: 1.5;
    tab-size: 4;
    text-size-adjust: 100%;
}

body {
    width: 100%;
    height: 100%;
    margin: 0;
    font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', Arial,
        sans-serif;
    line-height: inherit;
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizelegibility;
    overflow: hidden;
}

a {
    color: inherit;
    text-decoration: inherit;
}

img,
svg {
    display: inline-block;
}

svg {
    vertical-align: -0.15em; // 因icon大小被设置为和字体大小一致，而span等标签的下边缘会和字体的基线对齐，故需设置一个往下的偏移比例，来纠正视觉上的未对齐效果
}

ul,
li {
    padding: 0;
    margin: 0;
    list-style: none;
}

*,
*::before,
*::after {
    box-sizing: inherit;
}

a,
a:focus,
a:hover {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

a:focus,
a:active,
div:focus {
    outline: none;
}

h4,
p,
span {
    font-size: 14px;
}
