.layout .problem .right-content .problem-body {
    overflow: hidden;
}

.layout .problem .right-content .problem-body .problem-main {
    margin-top: 20px;
    overflow: hidden;
}

.problem-main ul {
    padding: 0;
    margin: 0;
    overflow: hidden;
}

.problem-main ul li {
    list-style: none;
    padding: 5px 0;
    overflow: hidden;
}

.problem-main ul li i {
    width: 22px;
    height: 16px;
    display: inline-block;
    background: url(../images/icon.png) no-repeat -105px -220px;
}

.problem-main ul li a span:last-of-type {
    float: right;
}

.problem-main ul li a span {
    font-size: 14px;
    color: #666;
    height: 21px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.problem-main ul li a:focus span,
.problem-main ul li a:hover span,
.problem-main ul li a:active span {
    color: #075fa7;
}

.problem-main ul li:nth-child(2n+1) {
    background-color: #eee;
}