.service-list {
    margin: -50px -10px 0;
}
.service-list .item {
    width: 33.33%;
    padding: 0 10px;
	list-style: none;
}
.service-list .item:nth-child(3n+1) {
    clear: left;
}
.service-list .txt-box {
    max-width: 360px;
    margin: 50px auto 0;
}
.service-list .txt {
    padding: 25px;
}
.service-list .title {
    font-size: 16px;
    font-weight: bold;
    color: #646464;
    line-height: 1.5;
    margin-bottom: 5px;
}

@media screen and (max-width: 940px) {
    .service-list .item {
        width: 50%;
    }
    .service-list .item:nth-child(3n+1) {
        clear: none;
    }
    .service-list .item:nth-child(2n+1) {
        clear: left;
    }
}
@media screen and (max-width: 630px) {
    .service-list .item {
        width: auto;
        float: none;
    }
}