header {
	margin : 20vh auto 20vh;
}

body, #tutorial, #graypanel, image{
		margin : 0px;
  	width : 100%;
  	height : 100%;
	  -ms-user-select: none; -moz-user-select: -moz-none; -webkit-user-select: none; -khtml-user-select: none; user-select:none;
	  overflow : hidden;
}

.center{
	display:block;
	margin : auto;
	
}


.tuto_alert{
	margin-top : 30vh;
	width : 300px;
	height : 250px;
}

.btn-xl{
	margin : 10px 10px;
	width : 48px;
	height : 48px;
	padding : 5px 5px;
	font-size : 24px;
	line-height : 1.33;
	border-radius : 24px;
	position : relative;
}

.items{
	width : 100%;
	height : 20vh ;
	padding : 5px;
}

.items img, h3{
	display : inline;
}

.items p{
	display : block;
}



.widgets {
	z-index : 5000;
  
    position : absolute;
}

button, button:focus{
  outline:0px !important;
  -webkit-appearance:none;
}

#resizeHandler{
  
  position : absolute;
	z-index : 10003;
  width : 100px;
  height : 100px;
  background-color : rgba(127,127,127,0.8);
  display : none;
  transition: background 0.1s linear;

}


#sidebar {
	z-index : 10006;
	position : fixed;
	left : 102vw;
	width : 25vw;
	height : 100%;
	transition: 0.5s;
	overflow-y: scroll;
	background-color : white;
	visibility : hidden;
	-moz-box-shadow:		-1vw 0px 3vw 0px #0000006e;
	-webkit-box-shadow: -1vw 0px 3vw 0px #0000006e;
	box-shadow: 				-1vw 0px 3vw 0px #0000006e;

}
#contents-area div:nth-child(even){
	background-color: #efefef;
}
#contents-area div:nth-child(odd){
	background-color: #dcdcdc;
}
#contents-area small{
  color: gray;
}


#backgroundimages{
  position: absolute;
  left: 0;
  top : 0;
  width: 100vw;
  height : 100vh;
    opacity: 0.4;
    z-index : 0;
    background-size: 100%;
    background-repeat : no-repeat;
}

#contents #sheet {
    height : 100vh;
    z-index : 1;

}

#menu {
  z-index: 10004;
  position : absolute;
  top : 0;
  left : 0;
  opacity : 1;
}

#menu.in {
  transition-property: top, left,opacity;
  transition-duration : 0.4s, 0.4s,1s;
}

#menu.out {
  transition-property: top, left,opacity;
  transition-duration : 0.4s, 0.4s, 5s;
}
#tutorial {
	z-index : 10;
	left: 0;
	top: 0;
	overflow: hidden;
	position: fixed;
	background-color: rgba(255, 255, 255, 0);
}

#graypanel {
	z-index : 6;
	left: 0;
	top: 0;
	overflow: hidden;
	position: fixed;
	background-color: rgba(175, 175, 175, 0.6);
}

#new_logo {
	margin-top : 20px;
}

#removeicon{
  float : right;
  padding-top: 5px;
  padding-right : 5px;
}

#dropdown-category{
  width : 97px !important;
}

#menu-area{
  background-color : white;
  position: fixed;
  top: 0;
}


#contents-area{
  padding-top : 97px;
}