.chat {
    background: #fff;
    width: 250px;
    overflow: hidden;
    position: fixed;
    z-index: 1000;
    bottom: 20px;
    box-shadow: 0px 0px 10px 10PX #CCCCCC;
    right: 20px;
    border: 1px solid #CCC;
    border-radius: 6px;
}

.chat dd {
    height: 50px;
    background: #2565f2;
    width: 100%;
    line-height: 50px;
    padding-left: 20px;
    color: #FFF;
}

#small_button {
    display: block;
    height: 40px;
    width: 40px;
    position: absolute;
    top: 0;
    right: 0;
    cursor: pointer;
}

.down {
    background: url(../css/up.png) center center no-repeat;
}

.up {
    background: url(../css/down.png) center center no-repeat;
}

.chat ul {
    padding-left: 20px;
    padding-right: 20px;
}

.chat li {
    line-height: 30px;
    color: #333;
    font-size: 14px;
    margin-bottom: 6px;
}

.form-controlss {
    width: calc(100% - 20px);
    padding: 10px 10px;
    height: 60px;
    border: 1px solid #DCDFE6;
    border-radius: 4px;
    font-size: 12px;
    outline: 0;
}

.chat_input {
    height: 30px;
    line-height: 30px;
    border: 1px solid #DCDFE6;
    border-radius: 4px;
    font-size: 12px;
    outline: 0;
    width: calc(100% - 20px);
    padding: 0px 10px;
}

.chat_submit {
    height: 30px;
    line-height: 30px;
    background: #2565f2;
    border: 0px;
    border-radius: 4px;
    font-size: 12px;
    outline: 0;
    width: 100%;
    font-size: 14px;
    font-weight: bold;
    color: #FFF;
    margin-bottom: 10px;
}