.under {
	position: fixed !important;
	display: none !important;
}
.li_show {
	display: block !important;
}
@media only screen and (min-width: 916px) and (max-width:943px) {
	.navbar .search {
		display: none;
	}
}
@media screen and (max-width: 768px)
{

	.overlay {
		display: block !important;
		margin-top: 0;
		height: 100%;
		width: 0;
		position: fixed;
		/* position: absolute;  */
		top: 0px;
		z-index: 1;
		right: 0;
		background-image: url('../img/index-img/mobile-nav.png');
		background-size: cover;
		overflow-x: hidden;
		transition: 0.5s;
	}
	.overlay-content {
		position: relative;
		width: 100%;
		text-align: center;
		margin-top: 90px;
	}
	.overlay-content li{
		list-style: none;
	}
	.overlay-content a {
		padding: 15px;
		text-decoration: none;
		font-size: 24px;
		color: #818181;
		display: block;
		width: 200px;
		transition: 0.3s;
		margin: 0 auto
	}
	.overlay a:hover,
	.overlay a:focus {
		color: #f1f1f1;
	}
	.overlay .mobilebtn {
		position: absolute;
		top: 30px;
		right: 30px;
		width: 8%;
	}
	.mobile_sien {
		margin-top: 70px;
		width: 23%;
		margin-left: 35px
	}
	.bu_title{
		height: 130px;
	}
	.bu_text{
		margin-top: 20px;
	}
	.bu_more{
		margin-top: 90px;
	}

}


@media only screen and (min-width: 768px) and (max-width:915px) {
	.navbar .search {
		display: none;
	}
	header img {
		margin-left: 48%;

	}
	header>div>div>div>.scroll{
		margin-top:230px
	}
	.advertisingbg {
		background: url('../img/index-img/768_others.png') center center;
		background-repeat: no-repeat;
		background-size: 100% auto;
	}
	.advertisingbgh {
		height: 200px;
		width: 100%
	}
	.designbg {
		background: url('../img/index-img/768_design.png') center center;
		background-repeat: no-repeat;
		background-size: 100%;
	}
	.designbgh {
		height: 200px;
		width: 100%
	}
	.e-commercebg {
		background: url('../img/index-img/768_e-com.png') center center;
		background-repeat: no-repeat;
		background-size: 100%;
	}
	.e-commercebgh {
		height: 200px;
		width: 100%
	}
	.othersbg {
		background: url('../img/index-img/786_ad.png') center center;
		background-repeat: no-repeat;
		background-size: 100%;
	}
	.othersbgh {
		height: 200px;
		width: 100vw;
	}
	.service>div>div>div .advertising,
	.design,
	.e-commerce,
	.others {
		margin-top: 60px;
	}
	#portfolio {
		display: none
	}
	#portfolioformobile {
		display: block
	}
	#portfolioformobile_content {
		display: block
	}
	#portfolioformobile .row:nth-child(1) {
		margin-top: 70px;
		margin-bottom: 50px
	}
	#portfolioformobile_content div[class^="col"] {
		padding-left: 0px;
		padding-right: 0px;
	}
	#portfolioformobile_content div[class^="col"] a {
		text-decoration: none
	}
	.bk {
		height: 600px;
	}
	.half {
		height: 300px;
	}
	.bkh {
		height: 300px
	}
	#portfolioformobile div>p:nth-child(1) {
		letter-spacing: 3px;
		font-size: 28px;
		color: #131313;
		font-weight: bold;
	}
	#portfolioformobile div>p:nth-child(2) {
		letter-spacing: 1.4px;
		font-size: 18px;
		color: #131313;
	}
	.bg1 {
		background: url('../img/index-img/991_portfolio_01.png') center center;
		background-repeat: no-repeat;
		background-size: cover;
	}
	.bg2 {
		background: url('../img/index-img/991_portfolio_02.png') center center;
		background-repeat: no-repeat;
		background-size: cover;
	}
	.bg3 {
		background: url('../img/index-img/991_portfolio_03.png') center center;
		background-repeat: no-repeat;
		background-size: cover
	}
	.bg4 {
		background: url('../img/index-img/991_portfolio_04.png') center center;
		background-repeat: no-repeat;
		background-size: cover
	}
	.bg5 {
		background: url('../img/index-img/991_portfolio_05.png') center center;
		background-repeat: no-repeat;
		background-size: cover;
	}
	.bg6 {
		background: url('../img/index-img/991_portfolio_06.png') center center;
		background-repeat: no-repeat;
		background-size: cover
	}
	.case_320 {
		padding-top: 72%;
		text-align: center;
	}
	.case_320>p:nth-child(1) {
		color: rgba(255, 255, 255, 0.43);
		font-size: 26px;
		font-weight: 600;
		letter-spacing: 2.5px
	}
	.case_320>p:nth-child(2) {
		color: #d0d0d0;
		font-size: 15px;
		letter-spacing: 1px;
		font-weight: 300;
		line-height: 23px
	}
	.case_160 {
		padding-top:33%;
		text-align: center;
	}
	.case_160>p:nth-child(1) {
		color: rgba(255, 255, 255, 0.43);
		font-size: 26px;
		font-weight: 600;
		letter-spacing: 2.5px
	}
	.case_160>p:nth-child(2) {
		color: #d0d0d0;
		font-size: 15px;
		letter-spacing: 1px;
		font-weight: 300;
		line-height: 23px
	}
	.case_05 {
		padding-top: 12%;
		text-align: center;
	}
	.case_05>p:nth-child(1) {
		color: rgba(255, 255, 255, 0.43);
		font-size: 26px;
		font-weight: 600;
		letter-spacing: 2.5px
	}
	.case_05>p:nth-child(2) {
		color: #d0d0d0;
		font-size: 15px;
		letter-spacing: 1px;
		font-weight: 300;
		line-height: 23px
	}
	.case_240 {
		padding-top: 17%;
		text-align: center;
	}
	.case_240>p:nth-child(1) {
		color: rgba(255, 255, 255, 0.43);
		font-size: 26px;
		font-weight: 600;
		letter-spacing: 2.5px;
	}
	.case_240>p:nth-child(2) {
		color: #d0d0d0;
		font-size: 15px;
		letter-spacing: 1px;
		font-weight: 300;
		line-height: 23px;
	}
	.contact .contactus {
		padding-top: 8%;
	}
	.contact form .submit .cpt {
		margin-left: 0px;
	}
	.contact form .submit .sendbtn {
		margin-right: 0px;
	}
	.submit{
		width: 380px;
		margin: 0 auto;
	}


}

@media screen and (max-width: 768px) {
	.homebg {
		background: url('../img/index-img/Mobile-home.jpg')center center;
		background-repeat: no-repeat;
		background-size: cover;
	}
	.homeh{
		height: 750px;
	}
	.home-none {
		display: none;
	}
	#nav {
		display: none;
	}
	.search {
		display: none;
	}
	.nav_formobile {
		display: block;
	}
	.nav-mobile-off {
		display: none;
	}
	.nav_formobile .navbg {
		background: url('../img/index-img/mobile-nav.png')center center !important;
		background-repeat: no-repeat !important;
		background-size: 100% !important;
	}
	.nav_formobile .navbgh {
		height: 100vh !important;
		width: 100% !important;
	}
	.nav_formobile .close {
		width: 8% !important;
		margin-top: 30px !important;
		margin-right: 30px !important;
		display: inline-block !important;
	}
	.nav_formobile ul {
		width: 100% !important;
		list-style: none !important;
		font-size: 20px;
		text-align: center !important;
		padding-left: 0 !important;
		margin: 130px auto 0 !important;
		display: inline-block !important;
	}
	.nav_formobile li {
		margin-bottom: 45px !important;
	}
	.nav_formobile li a {
		text-decoration: none !important;
		color: #8d8d8d !important;
	}
	.nav_formobile .sienlogo {
		display: block !important;
		width: 110px !important;
		margin-top: 70px !important;
		margin-left: 35px !important;
		float: left !important;
	}
	header>.row>div {
		display: none;
	}
	header .mobilebar_open {
		display: block;
		width: 8%;
		margin-top: 30px;
		margin-right: 30px;
		display: inline-block;
		float: right;
	}
	header .sienlogo {
		display: block;
		width: 110px;
		margin-top: 25px;
		margin-left: 35px;
		float: left;
	}
	header img {
		width: 68%;
		margin-left: 16%;
		margin-top: 200px;
	}
	header>div>div>div>.scroll,
	.scrolldeco {
		display: none;
	}
	#about img {
		display: none;
	}
	#about p:nth-child(1) {
		width: 90%;
		margin: 0 auto;
	}
	#about p:nth-child(2) {
		width: 93%;
		margin: auto;
	}
	#about p:nth-child(3) {
		letter-spacing: 4px;
		font-size: 15px;
		line-height: 1.8;
		text-align: justify;
		width: 90%;
		margin: auto;
		margin-top: 30px;
	}
	#about .story {
		width: 90%;
		margin: auto;
		margin-top: 50px;
	}
	.advertisingbg {
		background: url('../img/index-img/768_others.png') center center;
		background-repeat: no-repeat;
		background-size: cover;
	}
	.advertisingbgh,.designbgh,.e-commercebgh,.othersbgh {
		height: 170px;
		width: 100%;
	}
	.designbg {
		background: url('../img/index-img/768_design.png') center center;
		background-repeat: no-repeat;
		background-size: cover;
	}
	
	.e-commercebg {
		background: url('../img/index-img/768_e-com.png') center center;
		background-repeat: no-repeat;
		background-size: cover;
	}
	
	.othersbg {
		background: url('../img/index-img/786_ad.png') center center;
		background-repeat: no-repeat;
		background-size: cover;
	}
	
	.service>div>div>div .advertising,
	.design,
	.e-commerce,
	.others {
		margin-top: 40px;
	}
	.slide {
		display: none
	}
	#portfolio {
		display: none
	}
	#portfolioformobile {
		display: block
	}
	#portfolioformobile .row:nth-child(1) {
		margin-top: 70px;
		margin-bottom: 50px
	}
	#portfolioformobile_content div[class^="col"] {
		padding-left: 0px;
		padding-right: 0px;
	}
	.bk {
		height: 320px;
	}
	.half {
		height: 160px;
	}
	.bkh {
		height: 240px
	}
	#portfolioformobile>.row:nth-child(1)>div>p:nth-child(1) {
		letter-spacing: 3px;
		font-size: 28px;
		color: #131313;
		font-weight: bold;
	}
	#portfolioformobile div>p:nth-child(2) {
		letter-spacing: 1.4px;
		font-size: 18px;
		color: #131313;
	}
	#portfolioformobile_content {
		display: block
	}
	#portfolioformobile_content div[class^="col"] a {
		text-decoration: none
	}
	.case_320 {
		padding-top: 140px;
		text-align: center;
	}
	.case_320>p:nth-child(1) {
		color: rgba(255, 255, 255, 0.43);
		font-size: 26px;
		font-weight: 600;
		letter-spacing: 2.5px
	}
	.case_320>p:nth-child(2) {
		color: #d0d0d0;
		font-size: 15px;
		letter-spacing: 1px;
		font-weight: 300;
		line-height: 23px
	}
	.case_160 {
		padding-top:60px;
		text-align: center;
	}
	.case_160>p:nth-child(1) {
		color: rgba(255, 255, 255, 0.43);
		font-size: 26px;
		font-weight: 600;
		letter-spacing: 2.5px
	}
	.case_160>p:nth-child(2) {
		color: #d0d0d0;
		font-size: 15px;
		letter-spacing: 1px;
		font-weight: 300;
		line-height: 23px
	}
	.case_05 {
		padding-top: 54px;
		text-align: center;
	}
	.case_05>p:nth-child(1) {
		color: rgba(255, 255, 255, 0.43);
		font-size: 26px;
		font-weight: 600;
		letter-spacing: 2.5px
	}
	.case_05>p:nth-child(2) {
		color: #d0d0d0;
		font-size: 15px;
		letter-spacing: 1px;
		font-weight: 300;
		line-height: 23px
	}
	.case_240 {
		padding-top: 100px;
		text-align: center;
	}
	.case_240>p:nth-child(1) {
		color: rgba(255, 255, 255, 0.43);
		font-size: 26px;
		font-weight: 600;
		letter-spacing: 2.5px
	}
	.case_240>p:nth-child(2) {
		color: #d0d0d0;
		font-size: 15px;
		letter-spacing: 1px;
		font-weight: 300;
		line-height: 23px
	}
	.contact .contactus {
		padding-top: 50px;
		margin-bottom: 40px;
	}
	.contact form .text .dropdown_menu {
		width: 300px;
		height: 35px;
		background: #131313;
		line-height: 30px;
		text-align: center;
		margin: 10px auto 0px
	}
	
	.contact form .text input:nth-of-type(3) {
		margin: 10px auto 0px;
		padding: 3.5px 38px 3.5px 10px;
	}
	.contact form .text input {
		padding: 3.5px 100px 3.5px 10px;
		width: 300px;
	}
	.contact form .text input:nth-of-type(5) {
		padding: 3.5px 100px 3.5px 10px;
	}
	.contact form .submit {

		width: 300px;
	}
	.contact form .submit .cpt {
		margin-left: 0px
	}
	.contact form .submit .mathimg {
		width: 75px;
		height: 31px;
		margin-left: 7px;
		float: left;
	}
	.contact form .submit .sendbtn {
		margin-right: 0px;
	}

}
@media screen and (max-width: 600px){
	.logo{
		width: 50%;
	}
}
@media screen and (max-width: 375px) {
	.homeh{
		height: 670px
	}
	.contact .contactus {
		padding-top: 40px
	}
	form {
		margin-top: 20px
	}
	.contactbg {
		background: url('../img/index-img/mobile-contact.jpg') center center;
		background-repeat: no-repeat;
		background-size: 100% 100%;
	}
	
	.bg1 {
		background: url('../img/index-img/Mobile-portfolio_01.jpg') center center;
		background-repeat: no-repeat;
		background-size: cover;
	}
	.bg2 {
		background: url('../img/index-img/Mobile-portfolio_02.jpg') center center;
		background-repeat: no-repeat;
		background-size: cover;
	}
	.bg3 {
		background: url('../img/index-img/Mobile-portfolio_03.jpg') center center;
		background-repeat: no-repeat;
		background-size: cover
	}
	.bg4 {
		background: url('../img/index-img/Mobile-portfolio_04.jpg') center center;
		background-repeat: no-repeat;
		background-size: cover
	}
	.bg5 {
		background: url('../img/index-img/Mobile-portfolio_05.jpg') center center;
		background-repeat: no-repeat;
		background-size: cover;
	}
	.bg6 {
		background: url('../img/index-img/Mobile-portfolio_06.jpg') center center;
		background-repeat: no-repeat;
		background-size: cover
	}

}