video{  
	background-color: rgb(31,30,29);
	width: 100%;
	/* height: 100%; */
	position: absolute;
	z-index:-1;
} 
source{  
	min-width: 100%;  
	min-height: 100%;  
	height: auto;  
	width: auto;  
} 
.nav-button{
	float: initial;	
	margin-top: 20px;
}
.container1{
	/* height: 85rem; */
	/* background-color: rgb(31,30,29); */
}
.container1 .row{
	/* height: 5%; */
	text-align: center;
	/* line-height: 400%; */
	/* letter-spacing: 0.125rem; */
	/* font-family:emoji; */
	z-index: 1;
}
.container1 .row>div{
	/* overflow: hidden; */
	/* text-overflow:ellipsis; */
	/* white-space: nowrap; */
	/* margin-top: 2%; */
}
.container1 .row .first{
	margin-top: 13%;
	margin-left: 0.5%;
	letter-spacing: 2px;
	color: rgb(222,0,18);
	font-size: calc(15px + 10 * ((100vw - 480px)/ 1200));
	text-align: end;
}
.container1 .row .second{
	margin-top: 2%;
	color: rgb(255,255,255);
	font-size: calc(50px + 20 * ((100vw - 480px)/ 1200));
	font-weight: bolder;
	letter-spacing: 2px;
}
.container1 .row .third{
	color: rgb(255,255,255);
	font-size: calc(15px + 10 * ((100vw - 480px)/ 1200));
	margin-bottom: 2%;
    margin-top: 10%;
}
.container1 .row .forth{
	margin-bottom: 6%;
    margin-top: 3%;
}