.solution-number {
    margin: 0 auto;
    width: 862px;
    min-width: 862px;
    background-color: rgba(0, 0, 0, .6);
    position: relative;
    bottom: -129px;
    height: 50px;
}

.solution-body {
    margin: 0 auto;
    width: 1200px;
    padding: 0;
}

/*.solution-body > div{
	display: inline-block;	
	zoom: 1; *display: inline; 
	float: left;
}*/

.solution-number a:link,
.solution-number a:visited,
.solution-number a:hover,
.solution-number a:active {
    color: #fff;
}

.solution-number-li {
    list-style: none;
    display: inline-block;
    zoom: 1;
    *display: inline;
    /* padding: 15px 30px; */
    height: 52px;
    line-height: 52px;
    text-align: center;
    border: 1px solid #FFFFFF;
    color: #FFFFFF;
    float: left;
}

.solution-number-li:nth-child(1) {
    width: 146px;
    min-width: 146px;
}

.solution-number-li:nth-child(2) {
    width: 132px;
    min-width: 132px;
}

.solution-number-li:nth-child(3) {
    width: 146px;
    min-width: 146px;
}

.solution-number-li:nth-child(4) {
    width: 146px;
    min-width: 146px;
}

.solution-number-li:nth-child(5) {
    width: 132px;
    min-width: 132px;
}

.solution-number-li:nth-child(6) {
    width: 160px;
    min-width: 160px;
}

.solution-number-li.active {
    background-color: #409BFC;
}

.solution-list-context {
    width: 840px;
    height: auto !important;
    margin: 0 auto;
    padding-left: 50px;
}

.operation2Img {
    margin-top: 10px;
    margin-bottom: 10px;
}