html, body {
font-family: "Courier New",Courier,monospace;
color: rgb(150,150,150);
background-color: rgb(0,0,0);
}

a:link, a:visited {
 text-decoration: none;
 color: rgb(150,150,150);
}


table#main {
color: rgb(150,150,150);
background-color: rgb(0,0,0);
border: 0px solid rgba(0, 0, 0, 0);
}

table#glass {
background: rgba(255, 255, 255, 0.2);
border-radius: 0px;
box-shadow: 0 4px 30px rgba(0, 0, 0, 0.0);
backdrop-filter: blur(5px);
border: 0px solid rgba(0, 0, 0, 0);
}

.btn-group .button {
background: rgba(1, 1, 1, 0.1);
border: 0px solid rgba(0, 0, 0, 0);
border-radius: 0px;
color: rgb(150,150,150);
backdrop-filter: blur(2px);
-webkit-backdrop-filter: blur(2px);
padding: 4px 32px;
text-align: center;
font-size: 20px;
font-family: "Courier New",Courier,monospace;
margin: 0px 1px;
opacity: 1;
transition: 0.3s;
display: inline-block;
text-decoration: none;
cursor: pointer;
}

.button:hover {
backdrop-filter: blur(0px);
background: rgba(255, 255, 255, 0.2);
font-weight: bolder;
}