body {  font-family: sans-serif; background: #ccc;  }


#wrapper { margin: 0 auto; padding: 1em;  width: 90%; overflow: hidden; background: white; }

/* input */
#paste { margin: 0 auto; padding: 1em; width: 90%; overflow: auto; background: none;} 

#source { width: 45%; float: left;  }
#target { width: 45%; float: right; }

textarea { line-height: 100%; min-height: 50px; width: 90%;  margin: 0 auto; border: 1px solid black; font-family: sans-serif; padding: 2px; }
#source button, #source textarea { float:left; margin: .5em; } 
#target button, #target textarea { float:right; margin: .5em; }

/* work area */
table#subs { width: 90%; margin: 0 auto; background: #ccc;} 
tr { background: white;}