html, body {
    font-family: Verdana, sans-serif;
    margin: 0px;
    height: 100%;
    overflow: visible;
}

div {
    /* padding: 1% 5% 1% 5%; */
}
div .zero {
    padding:0px;
    margin: 0px;
    border: 0px;
}

div .square {
    padding: 0px;
    margin: 0px;
    border: 0px;
    border: 1px solid #bbbbbb;
}

.center {
    /* display: flex;
    justify-content: center;
    height: 90%; */
    
}

.lang {
  padding: 15px;
  margin: 0px;
  border: 0px;
}

* {box-sizing: border-box}
.mySlides {display: none}
img {vertical-align: middle;}

/* Slideshow container */
.header {
    /* max-width: 1000px; */
    position: relative;
    margin: auto;
}

/* Next & previous buttons */
.prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -22px;
    color: white;
    font-weight: bold;
    font-size: 18px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
}
  
/* Position the "next button" to the right */
.next {
    right: 0;
    border-radius: 3px 0 0 3px;
}
  
/* On hover, add a black background color with a little bit see-through */
    .prev:hover, .next:hover {
    background-color: rgba(0,0,0,0.8);
}

/* Caption text */
.caption {
    color: #000000;
    font-size: 35px;
    padding: 8px 12px;
    position: absolute;
    bottom: 10px;
    width: 100%;
    text-align: center;
  }
  
  /* Number text (1/3 etc) */
  .numbertext {
    color: #f2f2f2;
    font-size: 12px;
    padding: 8px 12px;
    position: absolute;
    top: 0;
  }
  
  /* The dots/bullets/indicators */
  .dot_container {
    text-align:center;
  }
  .dot {
    cursor: pointer;
    height: 15px;
    width: 15px;
    margin: 0px;
    background-color: #bbb;
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.6s ease;
  }
  
  .active, .dot:hover {
    background-color: #717171;
  }
  
  /* Fading animation */
  .fade {
    animation-name: fade;
    animation-duration: 1.5s;
  }
  
  @keyframes fade {
    from {opacity: .4} 
    to {opacity: 1}
  }

  /* On smaller screens, decrease text size */
@media only screen and (max-width: 300px) {
    .prev, .next,.text {font-size: 11px}
  }

.header {
    /* background-color: #f1f1f1;
    padding: 30px;
    text-align: center; */
  }
  
  .lang {
    position: absolute;
    top: 0px;
    right: 0px;
    font-size: 14px;
  }

  .title_container {
    position: absolute;
    top: center;
  }
  #navbar {
    overflow: hidden;
    background-color: #333;
  }
  
  #navbar a {
    float: left;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 8px 6px;
    text-decoration: none;
    font-size: 17px;
  }
  
  #navbar a:hover {
    background-color: #ddd;
    color: black;
  }
  
  
  
  .content {
    padding: 16px;
  }
  
  .sticky {
    position: fixed;
    top: 0;
    width: 100%;
  }
  
  .sticky + .content {
    padding-top: 60px;
  }

/* 반응형 web page */

#title {
    font-size: 20px;
}
@media (min-width: 768px) {
    #title {
    font-size: 30px;
    }
}
@media (min-width: 1024px) {
    #title {
    font-size: 40px;
    }
}


a {
  text-decoration: none;
  /* text-decoration: underline; */
}
a:link {
    color : black;
    text-decoration: none;
}
a:visited {
    color : black;
    text-decoration: none;
}
a:hover {
    color : black;
    font-weight : bold;
    text-decoration: none;
}
a:active {
    color : green;
    text-decoration: none;
}

/* custom_btn */

.w90 {
  width: 90px;
}

.custom_btn {
	/* width: 180px; */
	height: 25px;
	padding: 0px 10px 0px 10px;
	border: 2px solid #000;
	font-family: 'Lato', sans-serif;
	font-weight: 500;
	font-size: 16px;
	background: transparent;
	cursor: pointer;
	transition: all 0.3s ease;
	position: relative;
	display: inline-block;
}

/* copy_btn */
.copy_btn {
	background: #fff;
	color: #777;
	margin: 0px 10px 0px 0px;
	/* z-index: 1; */
  overflow:visible;
}
.copy_btn:after {
	position: absolute;
	content: "";
	width: 100%;
	height: 0;
	bottom: 0;
	left: 0;
	/* z-index: -1; */
	/* background: #ddd; */
	transition: all 0.3s ease;
}
.copy_btn:hover {
	box-shadow:
	-7px -7px 20px 0px #fff9,
	-4px -4px 5px 0px #fff9,
	7px 7px 20px 0px #0002,
	4px 4px 5px 0px #0001;
	/* color: #fff; */
}
.copy_btn:hover:after {
	top: 0;
	height: 100%;
}
.copy_btn:active {
	top: -2px;
}

/* _foot */
.foot_container {
    padding: 1% 2% 1% 2%;
    display: flex;
    justify-content: center;
}
.foot_item {
    padding:0px 12px 0px 0px;
    margin: 0px;
    border: 0px;
}