body { 
    font-family: sans-serif; 
    line-height: 1.6; 
    max-width: 800px; 
    margin: 0 auto; 
    padding: 20px; 
    color: #333; 
}
header { 
    border-bottom: 2px solid #333; 
    padding-bottom: 20px; 
}
footer { 
    margin-top: 40px; 
    font-size: 0.8em; 
    color: #777; 
}
.stream-post { 
    border-bottom: 1px solid #ccc; 
    padding: 15px 0; 
}
.date { 
    color: #666; 
    font-size: 0.9em; 
}