#warning-message { display: none; }
@media only screen and (orientation:portrait){
    #wrapper { display:none; }
    #warning-message { display:block; }
}
@media only screen and (orientation:landscape){
    #warning-message { display:none; }
}

ul {
    font-size: x-large;
    color: white;
}
h1 {
    text-align: center;
    color: #007399;
    font-size: 50px;
}
body {
    font-family: Arial, Helvetica, sans-serif;
}
h2 {
    text-align: center;
    color: white;
    font-size: 50px;
    margin: 20px;
}
.header {
    background-color: black;
    padding: 50px 10px;
    color: #007399;
    text-align: left;
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    top: 0;
    width: 100%;
    transition: 0.4s; 
    max-height: 10%;
    min-width: 73.5%;
    float: right;
}

html {
    background-color: black;
}

p {
    text-align: left;
    color: white;
    font-size: x-large;
    font-family: Arial, Helvetica, sans-serif;
}
.contain div {
    padding-top: 5vw;
    padding-bottom: 5vw;
    padding-left: 5vw;
    padding-right: 5vw;
    max-height: 30%;
    background-color: black;
    margin-top: 1px;
    text-align: left;
}
.contain {
    background-color: #007399;
    margin-top: 0%;
    width: 100%;
}
img {
    margin-bottom: 10px;
}
.sidebara {
    background-color: black;
    padding: 20px;
    position: sticky;
    top: 0;
    border-radius: 5px;
    height: auto;
    overflow: auto;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    margin: 0%;
    margin-top: 0%;
    margin-bottom: 0%;
    border: 1px solid #007399;
}
a:link {
    color: antiquewhite;
    text-decoration: none;
}
a:visited {
    color: antiquewhite;
    text-decoration: none;
}
.sidebar a{
    color: #007399;
}

div.stay {
    background-color: black;
    color: white;
    top: 0;
    position: fixed;
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.2);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    width: 100%;
    /*margin-left: 10px;*/
    /*margin-top: 10px;*/
    background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(2px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(31, 38, 135, 0.2), 
              inset 0 4px 20px rgba(255, 255, 255, 0.3);
    
}

div.title {
    margin: auto;
    font-size: 30px;
    margin-right: 200px;
}

span {
    color: white;
    font-size: 30px;
}

.sidebar {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0, 0.9);
    overflow-x: hidden;
    transition: 0.5s;
}

.sidebar-content {
    position: relative;
    top: 25%;
    width: 100%;
    text-align: center;
    margin-top: 30px;
}

.sidebar a {
    padding: 8px;
    text-decoration: none;
    font-size: 36px;
    color: #818181;
    display: block;
    transition: 0.3s;
}

.sidebar a:hover, .sidebar a:focus {
    color: #f1f1f1;
}

.sidebar .closebtn {
    position: absolute;
    top: 20px;
    right: 45px;
    font-size: 60px;
}

@media screen and (max-height: 450px) {
    .sidebar a {font-size: 20px}
    .sidebar .closebtn {
	font-size: 40px;
	top: 15px;
	right: 35px;
    }
}

.float {
    background-color: black;
    color: white;
    padding: 10px;
    border-radius: 12px;
    border: 1px solid #007399;
    margin-left: 10px;
    top: 0;
    min-height: 10%;
    max-height: 10%;
    font-size: 30px;
    background-color: rgba(100, 100, 100, 0.4);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}
.sidebar a:hover, .sidebar a:focus {
    color: #f1f1f1;
}

.sidebar .closebtn {
    position: absolute;
    top: 20px;
    right: 45px;
    font-size: 60px;
}

@media screen and (max-height: 450px) {
    .sidebar a {font-size: 20px}
    .sidebar .closebtn {
	font-size: 40px;
	top: 15px;
	right: 35px;
    }
}

@media only screen and (max-width: 600px) {
    .float {
	display: inline;
    }
    .stay {
	display: inline;
    }
    
}

@media only screen and (min-width: 600px) {
    .mobile {
	display: inline;
    }
}