.space_sm { 
margin:0; 
padding:0; 
height:2px; 
} 

.space_lg { 
margin:0; 
padding:0; 
height:10px; 
} 

.container {
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
height: 100%;
}

ul {
line-height:120%;
}

.dark-mode {
background-color: #00001a;
color: violet;
border-radius: 10px;
width: 90%;
font-weight: bold;
font-size: 12pt;
margin: 15px;
        }

pre {
	padding: 15px;
}