.t-icon {
    height:28px;
    width:28px;
    display: block;
    background-size:28px 28px;
    line-height: inherit;
    vertical-align: baseline;
    background-repeat:no-repeat;
    background-position:center center;
}

a.t-icon {
   padding:10px 20px;
}

.t-icon.white-back {
    background-image:url(../images/back.png);
}

.t-icon.white-search {
    background-image:url(../images/search.png);
}

.t-icon.white-fold {
    background-image:url(../images/fold.png);
}

.t-icon.white-right {
    background-image:url(../images/right.png);
}

.t-icon.white-unfold {
    background-image:url(../images/unfold.png);
}

.t-icon.green-phone {
    background-image:url(../images/phone.png);
}

.t-icon.green-lianxi {
    background-image:url(../images/lianxi.png);
}

.t-icon.orange-ding {
    background-image:url(../images/ding.png);
}

.t-icon.yellow-favorfill {
    background-image:url(../images/favorfill.png);
}

.t-icon.yellow-favor {
    background-image:url(../images/favor.png);
}

.t-icon.red-search {
    background-image:url(../images/searchred.png);
}