.scroll_header{
	/*background: rgb(160,0,255);*/
	background: rgba(0,0,0,0.8);
	position: absolute; ; z-index: 1000000 !important;}


.menu
{
	padding: 12px; width: 100%;
	/*width: calc(100% - 100px);*/
	/*height: 100px;*/
	text-align: left;
	z-index: 5;
	position: relative;
	font-weight: 700;
	letter-spacing: 2px;
	position: fixed;
	text-align: center;
	/*top: 85px;*/
	/*left: 100px;*/
	font-family: 'museo_sans700';
	transition: all .3s;
}
.menu a{ position: relative; z-index: 1000;}
.menu a div.active{border-bottom: 2px solid white;}
.logo
{
	display: inline-block;
	padding: 4px;
	cursor: pointer;
	color: black;
	width: 180px;
	height: 180px;
	background-image: url('../../img/logo.png');
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
	vertical-align: middle;
	position: fixed;
	right: 25px;
	top: 25px;
	z-index: 10000;
}
.item_menu_home
{
	height: 25px;
	width: 25px;
	background-image: url('../../img/casa.png');
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
	background-size: contain;
	vertical-align: top;
	display: inline-block;
}
.item_menu 
{
	display: inline-block;
	padding: 4px;
	margin-left: 10px;
	margin-right: 10px;
	cursor: pointer;
	color: black;
    vertical-align: middle;
    color: white;
    font-size: 18px; 
    border-bottom: 2px solid rgba(0,0,0,0);

}
.item_menu:hover
{
	border-bottom: 2px solid white;
}

.item_menu.select
{
	border-bottom: 2px solid white;
}

a
{
	text-decoration: none;
}
.boton_menu
{
	display: none;
	height: 30px;
	width: 30px;
	background: url("../../img/menu.png") no-repeat;
	background-size: 30px;
	position: fixed;
	top: 20px;
	left: 20px;
	z-index: 15;
}
.proyectos1 .item_menu
{
	color: #565454;
}
.proyectos1 .item_menu:hover
{
	color: #565454;
	border-bottom: 2px solid #565454;
}
.proyectos1 .item_menu.select
{
	border-bottom: 2px solid #565454;
}
.menu_cel
{
	font-family: 'museo_sans700';
	text-align: center;
	width: 100%;
	padding-bottom: 20px;
	padding-top: 20px;
	background-color: black;
	position: fixed;
	top:0px;
	left: 0px;
	z-index: 10;
	display: none;
}
.menu_cel .item_menu
{
	display: inline-block;
	text-align: center;
	width: 100%;
	font-size: 16px !important;
	padding-top: 10px !important;
	padding-bottom: 10px !important;
	margin:0;
}
.flecha_abajo
{
	position: absolute;
	bottom: 30px;
	height: 50px;
	width: 90px;
	background-repeat: no-repeat;
	background-position: bottom;
	background-image: url('../../img/flecha_abajo.png');
	left: calc(50% - 45px);
	background-size: contain;
	animation-duration: 2s;
  	animation-name: slidein;
  	animation-iteration-count: infinite;
}


@keyframes slidein {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-40px);
  }
  60% {
    transform: translateY(-20px);
  }
}
@media screen and (max-width: 2300px),(max-height: 1200px) {
	.menu
	{
		/*top: 70px;*/
		/*left: 100px;*/
		/*width: calc(100% - 100px);*/
	}	
	.flecha_abajo
	{
		height: 30px;
		width: 50px;
		left: calc(50% - 25px);
	}
}
@media screen and (max-width: 1750px),(max-height: 1000px) {
	.menu
	{
		/*top: 50px;*/
		/*left: 30px;*/
		/*width: calc(100% - 30px);*/
		/*height: 50px;*/
	}	
	.item_menu
	{
		font-size: 14px;
		margin-left: 8px;
    	margin-right: 8px;
	}
	.logo
	{
		width: 150px;
		height: 150px;
		/*right: 50px;*/
		/*top: -10px;*/
	}
}
@media screen and (max-width: 1400px),(max-height: 800px) {
	.menu
	{
		/*top: 10px;*/
		/*left: 20px;*/
		/*height: 30px;*/
		/*width: calc(100% - 20px);*/
	}	
	.item_menu
	{
		font-size: 14px;
		margin-left: 5px;
    	margin-right: 5px;
	}
	.logo
	{
		width: 100px;
		height: 100px;
		/*right: 30px;*/
		/*top: -10px;*/
	}
	.flecha_abajo
	{
		height: 20px;
		width: 40px;
		left: calc(50% - 20px);
	}
}
@media screen and (max-width: 1050px),(max-height: 700px) {
	.menu
	{
		/*top: 10px;*/
	}	
	.item_menu
	{
		font-size: 12px;
	}
}
@media screen and (max-width: 950px),(max-height: 600px) {
		
	.item_menu
	{
		font-size: 10px;
	}
	.logo
	{
		width: 70px;
		height: 70px;
		/*right: 10px;*/
		/*top: -10px;*/
	}
	.flecha_abajo
	{
		height: 15px;
		width: 30px;
		left: calc(50% - 15px);
		bottom: 20px;
	}
}

@media screen and (max-width: 800px),(max-height: 500px) {
	.menu
	{
		/*top: 20px;*/
		/*left: 10px;*/
		/*width: calc(100% - 10px);*/
	}
	.logo
	{
		width: 50px;
		height: 50px;
		/*right: 10px !important;*/
		/*top: 10px !important;*/
	}
	.item_menu
	{
		font-size: 9px;
		margin-left: 3px;
    	margin-right: 3px;
	}
}
@media screen and (max-width: 700px) {
	
	.boton_menu
	{
		display: block;
	}
	.menu
	{
		display: none;
	}
	.flecha_abajo
	{
		height: 10px;
		width: 16px;
		left: calc(50% - 8px);
		bottom: 10px;
	}
}
@media screen and (max-width: 500px) {

}