.line a{
    background-image: url(images/linecode.jpg);
}
@media (max-width: 768px) {
    .line a{
        background-image: url(https://www.crowndesign.com.tw/potent/images/lineadd.png);
    }
    .line .linea2{
        background-image: url(http://moneycar.com.tw/images/float_img.jpg);
    }
}


a.phone_go {
    background: url(../img/phone.png) center 50% no-repeat;
    width: 70px;
    height: 70px;
    -webkit-background-size: contain;
    -moz-background-size: contain;
    background-size: contain;
    display: block;
    position: fixed;
  right: 25px;
  bottom: 330px;
  z-index: 99;
}

a.line_go {
    background: url(../img/line.png) center 50% no-repeat;
    width: 70px;
    -webkit-background-size: contain;
    -moz-background-size: contain;
    background-size: contain;
    height: 70px;
    display: block;
    margin: 0 auto;
    position: fixed;
  right: 25px;
  bottom: 250px;
  z-index: 99;
}


a.house_go{
  background-color: #fff;
  border: 2px solid #15549A;
  color: #15549A;
    width: 70px;
    -webkit-background-size: contain;
    -moz-background-size: contain;
    background-size: contain;
    height: 70px;
    display: block;
    margin: 0 auto;
    position: fixed;
  right: 25px;
  bottom: 410px;
  z-index: 99;
  border-radius: 50%;
  font-size: 24px;
  font-weight: bold;
  text-align: center;
  line-height: 1em;
  padding: 8px;
}
@media (max-width: 991px){
a.phone_go{
  position: fixed;
  right: 7px;
  bottom: 180px;
  z-index: 99;
  width: 50px;
  height: 50px;
}

a.line_go{
  position: fixed;
  right: 7px;
  bottom: 125px;
  z-index: 99;
  width: 50px;
  height: 50px;

}

a.house_go{
  position: fixed;
  right: 7px;
  bottom: 235px;
  z-index: 99;
  width: 50px;
  height: 50px;
  font-size: 16px;
  padding: 6px;

}

}