.logo_tell {
	font-size:1.2vw; 
	padding:5px; 
	box-sizing:border-box; 
	letter-spacing:2px; 
}

#myBtn {
	width:70px;
	height:70px;
  margin-right:auto;
  display: none;
  position: fixed;
  bottom: 20px;
  right: 5%;
  z-index: 99;
  font-size: 18px;
  border: none;
  outline: none;
  background:url(../images/scroll_button.png) no-repeat center center/contain;
  color: white;
  cursor: pointer;
  padding: 15px;
  border-radius: 4px;
  opacity:0.7;
  filter:alpha(opacity=70);
  transition: all 0.3s;
	-webkit-filter: drop-shadow(3px 3px 3px #000);
    filter: drop-shadow(3px 3px 3px #000);
}

#myBtn:hover {
  opacity:1.0;filter:alpha(opacity=100);
}

/********** MENU MIN FOR PC **********/
@media screen and (max-width: 900px), (max-width:6in) {
	#myBtn {
		width:50px !important;
		height: 50px !important;
	}
}

@media screen and (max-device-width: 6in) {
	#myBtn {
		width:50px !important;
		height:50px !important;
		display:none !important;
	}

.logo_tell {
	font-size:1.5vw; 
	padding:5px; 
	box-sizing:border-box; 
	letter-spacing:2px; 
	display:flex;
	align-self:flex-start;

}

}