.solution_left ul li:nth-child(3) a {
    background-color: #9a7c4a;
}

.features{
    margin-top: 60px;
}
.features ul li{
    float: left;
    margin-right: 40px;
}
.features ul li p{
    font-size: 18px;
    color: #666;
    letter-spacing: 0.9px;
    margin-bottom: 12px;
}
.aspect ul{
    display: flex;
    justify-content: space-between;
}

.aspect ul li p{
    display: table-cell;
    width: 190px;
    height: 150px;
    background-color: #fff;
    text-align: justify;
    padding: 0 25px;
    box-sizing: border-box;
    vertical-align: middle;
    color: #666;
}