body { 
    width: 500px; text-align: left; margin-left: auto; margin-right: auto; 
}
    
textarea { 
    width: 100%; 
}

table.list { 
    width: 100%;
}

table.list tr:nth-child(even) { 
    background-color: lightgray; 
}

table.list th { 
    padding: 0.5em; 
    background-color: darkgray; 
}

table.list td { 
    padding: 0.5em; 
    vertical-align: top; 
}