body {
    padding: 0;
    margin: 0;
}

a {
    color: #000000;
    outline: none;
    text-decoration: none;
}

/*去除a标签下划线*/
a {
    text-decoration: none;
}

/*去除未被访问的a标签的下划线*/
a:link {
    text-decoration: none;
}

/*去除已经被访问过的a标签的下划线*/
a:visited {
    text-decoration: none;
}

/*去除鼠标悬停时的a标签的下划线*/
a:hover {
    text-decoration: none;
}

/*去除正在点击的a标签的下划线（鼠标按下，尚未松开）*/
a:active {
    text-decoration: none;
}

/*去除获得焦点的a标签的下划线（被鼠标点击过）*/
a:focus {
    text-decoration: none;
}

li {
    list-style-type: none;
}

i {
    font-style: normal;
}

input {
    height: 100%;
    border: none;
    background: transparent;
    flex: 1;
    font-size: 14px;
}

input:focus {
    outline: none;
}

input::placeholder {
    color: #999999;
}

input[type=checkbox] {
    appearance: none;
    -moz-appearance: none; /* Firefox */
    -webkit-appearance: none;
    cursor: pointer;
    margin: 0;
}

input[type=checkbox] {
    width: 20px;
    height: 20px;
    background: url('../images/checkbox.png');
    background-size: 100% 100%;
}

input[type=checkbox]:checked {
    background: url('../images/checkbox_s.png');
    background-size: 100% 100%;
}

.clearFix {
    clear: both;
}