im_chat/public/static/down/css/reset.css

body,
p,
h1,
h2,
h3,
h4,
h5,
li,
span,
i,
ul,
img,
a,
strong,
input,
button,
textarea,
select,
dl,
dd,
dt {
    margin: 0;
    padding: 0;
}


body {
    font-family: "microsoft yahei", "Arial";
    font-size: .24rem;
    line-height: 1;
    -webkit-user-select: none;
    -webkit-text-size-adjust: 100% !important;
    text-size-adjust: 100% !important;
    -moz-text-size-adjust: 100% !important;
}

::-webkit-scrollbar {
    width: 0;
    height: 0;
}

* {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

[class|="ico"] {
    display: inline-block;
    vertical-align: middle;
}

li {
    list-style-type: none;
}

a {
    text-decoration: none;
    outline: none;
}

img {
    border: none;
}

i,
var,
em {
    font-style: normal;
}

button {
    font-family: "microsoft yahei", "Arial";
    outline: none;
    cursor: pointer;
    font-size: .24rem;
    border: none;
}

iframe {
    border: none;
}

input,
select,
textarea {
    outline: none;
    font-family: "microsoft yahei", "Arial";
    font-size: .24rem;
    border-radius: 0;
    border: none;
    background: none;
}

input:disabled {
    opacity: 1;
    color: #333;
}

input[type="submit"],
input[type="reset"],
input[type="text"],
input[type="password"],
input[type="number"],
input[type="button"],
button,
input[type="date"],
textarea {
    -webkit-appearance: none;
    border: none;
    background: none;
}

textarea {
    resize: none;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.clear {
    clear: both;
}

.hide {
    display: none !important;
}

.column{
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
}

.column > * {
    column-count:1;
    flex-grow:1;
    flex-shrink 0;
    text-align: center;
}