.nt-contact {
    display: flex;
    position: fixed;
    z-index: 20;
    bottom: 90px;
    right: 16px;
    flex-direction: column;
}
.nt-contact > a {
    font-size: 0;
    text-decoration: unset;
}
.nt-contact a+a {
    margin-top: 7px;
}

.nt-contact > a.zalo {
    padding: 0;
    text-align: right;
}
.nt-contact > a.zalo i {
    font-size: 32px;
}
.icon-icon-04 {
	background: url(../images/icon-call.svg) no-repeat;
}
i.icon-icon-02{
	background: url(../images/icon-messenger.svg) no-repeat;
}
.icon-icon-01 {
	background: url(../images/facebook.png) no-repeat;
}
.icon-icon-05 {
	background: url("../images/Zalo.png") no-repeat;
}
.nt-contact i {
    width: 60px;
    height: 60px;
    background-size: 60px;
}
@media (max-width: 767px) {
   
    .nt-contact > a.zalo i {
        font-size: 27px;
    }
    .nt-contact {
        bottom: 15%;
		right: 10px;
    }
	.nt-contact i {
		background-size: 60px;
	}
}
.nt-contact > a.zalo i {
    font-size: 32px;
    padding: 10px;
    border-radius: 99px;
    width: 49px;
    height: 49px;
    background-size: contain;
    right: 5px;
    top: -15px;
}
.icon-icon-06 {
    background: url(../images/ytb.png) no-repeat;
}