我的CSS初始化，reset.css

* {
    margin: 0;
    padding: 0;
    text-decoration: none;
    -webkit-overflow-scrolling: touch !important;
    /*iOS惯性滚动*/
    outline: none;
    -webkit-font-smoothing: antialiased;
    /*字体细长*/
    -moz-osx-font-smoothing: grayscale;
}

body {
    position: relative;
    margin: 0 auto;
    width: 100%;
    height: 100%;
    min-width: 900px;
    overflow-x: hidden;
    font-family: "微软雅黑";
    -webkit-touch-callout: none;
    /*禁用长按页面时的弹出菜单*/
    -webkit-tap-highlight-color: white;
    box-sizing: border-box;
}

li {
    list-style: none;
}

ul,
ol {
    list-style-type: none;
}

select,
input,
img,
select {
    vertical-align: middle;
}

img {
    border: none;
    display: inline-block
}

i {
    font-style: normal
}

a {
    text-decoration: none;
    -webkit-appearance: none;
}

*:focus {
    outline: none;
}

input,
textarea,
button {
    resize: none;
    -webkit-appearance: none;
    outline: none;
}

input {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

strong {
    font-weight: bold;
}

h3,
h4 {
    font-weight: normal
}

input::-webkit-input-placeholder,
textarea::-webkit-input-placeholder {
    color: #cecece;
}

input:-moz-placeholder,
textarea:-moz-placeholder {
    color: #cecece;
}

input[type="button"],
input[type="submit"],
input[type="file"],
button {
    cursor: pointer;
    -webkit-appearance: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

.hover-hand {
    cursor: pointer;
    /*悬浮显示手*/
}


/*禁止选中copy*/

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


/*float*/

.left {
    float: left;
}

.right {
    float: right;
}

.clearfloat:after {
    content: "";
    display: block;
    height: 0;
    clear: both;
    zoom: 1;
    visibility: hidden;
}

.clearfloat {
    zoom: 1;
    clear: both;
}

.clear {
    clear: both;
    zoom: 1;
}

.hide {
    display: none !important;
}

.show {
    display: block;
}


/*font-size*/

.font12 {
    font-size: 12px;
}

.font13 {
    font-size: 13px;
}

.font14 {
    font-size: 14px;
}

.font15 {
    font-size: 15px;
}

.font16 {
    font-size: 16px;
}

.font18 {
    font-size: 18px;
}

.font19 {
    font-size: 19px;
}

.font20 {
    font-size: 20px;
}

.font22 {
    font-size: 22px;
}

.font24 {
    font-size: 24px;
}

.font26 {
    font-size: 26px;
}

.font28 {
    font-size: 28px;
}

.font30 {
    font-size: 30px;
}

.font32 {
    font-size: 32px;
}

.font36 {
    font-size: 36px;
}

.font48 {
    font-size: 48px;
}

.font60 {
    font-size: 60px;
}

.color-white {
    color: white;
}

.color-red {
    color: red;
}

.color-green {
    color: green;
}

.color-black {
    color: black;
}

.cl1685d3 {
    color: #1685D3;
}

.bg1685D3 {
    background: #1685D3;
}

.color-blue {
    color: blue;
}

.color-yellow {
    color: yellow;
}

.color-pink {
    color: pink;
}

.bg-yellow {
    background: yellow;
}

.bg-red {
    background: red;
}

.border-blue {
    border: 1px solid blue;
}

.border-black {
    border: 1px solid black;
}

.border-white {
    border: 1px solid white;
}

.tc {
    text-align: center;
}

.tl {
    text-align: left;
}

.tr {
    text-align: right;
}


/*一行多行显示省略号*/

.one-line {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    /*clip  修剪文本。*/
}

.more-line {
    display: -webkit-box !important;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-all;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}


/*flex*/

.flex {
    display: flex;
    flex-wrap: nowrap;
    flex-direction: row;
    flex-flow: row nowrap;
    justify-content: flex-start;
    /*flex-start | flex-end | center | space-between | space-around;*/
    align-items: flex-start;
    /*flex-start | flex-end | center | baseline | stretch;*/
    align-content: flex-start;
    /*flex-start | flex-end | center | space-between | space-around | stretch;*/
    align-self: auto;
}


/*移动端1px*/

.onepx-border:before {
    content: '';
    position: absolute;
    top: 0px;
    left: 0px;
    width: 200%;
    height: 200%;
    border: 1px solid blue;
    transform-origin: 0 0;
    transform: scale(0.5, 0.5);
    box-sizing: border-box;
    border-radius: 10px;
}


/*滚动条样式*/

::-webkit-scrollbar {
    width: 6px;
    height: 6px
}

::-webkit-scrollbar-track-piece {
    background: #eee;
}

::-webkit-scrollbar-thumb:vertical {
    background: #666;
}