.service-column .btn_contacts {
    background-color: #b1a9c6;
    border-color: #b1a9c6;
    margin-top: 10px;
	position: absolute;
	width: 40%;
	bottom : 10px;
}

.service-column .btn_contacts:hover {
    color: #b1a9c6;
    background: none;
    border-color: #b1a9c6;
}

.service-column #btn_left {
  left: 5%;
}
.service-column #btn_right {
right: 5%;
}