/* 公共class */

.float-left {
    float: left;
}

.float-right {
    float: right;
}

.align-left {
    text-align: left;
}

.align-right {
    text-align: right;
}

.clear:after {
    clear: both;
    content: '.';
    display: block;
    width: 0;
    height: 0;
    visibility: hidden;
}

.bubble {
    position: relative;
    border-radius: 4px;
    background-color: #ffffff;
    box-shadow: 0 6px 18px 1px rgba(0, 0, 0, 0.1), 0 2px 6px 1px rgba(0, 0, 0, 0.1);
    border: solid 1px #d8d8d8;
}

.bubble:after {
    position: absolute;
    content: '';
    width: 8px;
    height: 8px;
    top: -5px;
    left: 134px;
    margin-left: -7px;
    overflow: hidden;
    pointer-events: none;
    -webkit-transform: rotate(135deg);
    -mz-transform: rotate(135deg);
    transform: rotate(135deg);
    border-left: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
    background: #ffffff;
}

#container {
    width: 1180px;
    margin: 0 auto;
}
.width1180 {
    margin: 0 auto;
    width: 1180px;
}