* {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

.common {
    width: 1300px;
    min-width: 1300px;
    margin: 0 auto;
}

body {
    font-family: 'helvetica neue','microsoft yahei','pingfang sc','hiragino sans gb','stheiti',tahoma,sans-serif !important;
}

::-webkit-scrollbar {
    width: 5px; /* 纵向滚动条*/
    height: 5px; /* 横向滚动条 */
    background-color: #fff;
}

/*定义滚动条轨道 内阴影*/
::-webkit-scrollbar-track {
    box-shadow: inset 0 0 6px rgba(0, 0, 0, 0);
    background-color: #ccc;
}

/*定义滑块 内阴影*/
::-webkit-scrollbar-thumb {
    box-shadow: inset 0 0 6px rgba(0, 0, 0, 0);
    background-color: #545557;
    border-radius: 10px;
}