#newLetter {
    width:1000px;
    margin: 10px auto;
}

#newLetter th{
    width:20ch;
}

#newLetter textarea{
    width:100%;
    min-height:3em;
    color:white;
    background-color:transparent;
    border:none;
}

.letterFrame{
    width:1000px;
    margin: 10px auto;
}

.letterFrame th{
    width:20ch;
}

.letterHeader{
    position: relative;
    font-size:200%;
}

.letterDate{
    position: absolute;
    right:1ch;
    bottom:0.2em;
    font-size:50%;

}

.letterBrief, .letterDetail{
    text-align: left;
}

.letterSignerPlate{
    text-align:center;
}

.letterSrc, .letterDest{
    display:inline-block;
    margin: 0 10px;
    border: 1px solid gray;
    width:110px;
    text-align:center;
}

.signerNation, .signerName{
    border-top: 1px solid gray;
}