@media only screen and (min-width: 768px) and (max-width: 991px) {
    .mainmenu ul.nav.navbar-nav li a {
        margin: 15px 15px 15px 0;
    }
    .single-footer {
        margin-bottom: 50px;
    }
}

@media only screen and (max-width: 767px) {
    .xs-none {
        display: none;
    }
    .xs-center {
        text-align: center;
    }
    .section-padding {
        padding: 60px 15px;
    }
    .mainmenu .navbar-header button {
        border: 2px solid #ffffff;
        border-radius: 0;
        float: left;
    }
    .mainmenu .navbar-header button span {
        background-color: #ffffff;
    }
    .header-single-text > h1 {
        font-size: 36px;
    }
    .header-single-text {
        padding: 100px 0;
    }
    .single-footer {
        margin-bottom: 30px;
    }
    .col-xs-6 {
        width: 100%;
    }
}

@media only screen and (min-width: 480px) and (max-width: 767px) {
    .col-xs-6 {
        width: 50%;
    }
}

@media only screen and (max-width: 768px)
		{
			.contact-form
			{
				margin-top:25px; 
			}

			.btn-send
			{
				width: 100%;
				padding:10px; 
			}

			.second-portion
			{
				margin-top:25px; 
			}
		}