.list-icon-title {
    padding: 50px 0 94px 0
}

.list-icon-title li {
    float: left;
    /*width: 25%;*/
    vertical-align: bottom;
    text-align: center;
    padding-bottom: 20px;
}

.list-icon-title .icon {
    display: block;
    width: 148px;
    height: 148px;
    margin: 0 auto 25px;
    background-image: url(./img/icon-ys.png);
    background-repeat: no-repeat
}

.list-icon-title .title {
    font-weight: 400;
    font-size: 28px;
    line-height: 40px;
    margin-bottom: 8px
}

.list-icon-title p {
    color: #aaa;
    line-height: 24px;
}

.features-item01 .icon {
    background-position: 0 0
}

.features-item02 .icon {
    background-position: 0 -180px
}

.features-item03 .icon {
    background-position: 0 -360px
}

.features-item04 .icon {
    background-position: 0 -540px
}

footer a {
    color: #555;
}

.certificate-img {
    margin-top: 5px;
    width: 80px;
}