* {
    margin: 0;
    padding: 0;
    list-style: none;
    color: #333;
    font-size: 14px;
    outline: none;
}

a {
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

img {
    display: block;
}

.auto {
    height: auto;
    overflow: hidden;
}

.fl {
    float: left;
}
.fr {
    float: right;
}

.center {
    text-align: center;
}