.letter-options {
    width: 320px;
}

.letter-options label {
    display: block;
    color: #333;
    font-size: 14px;
    font-weight: bold;
}
.letter-options input,
.letter-options textarea,
.letter-options select {
    margin-top: 3px;
    margin-bottom: 12px;
    width: 100%;
}

.letter-options textarea {
    resize: vertical;
}

.letter-options textarea.address {
    height: 80px;
}

.letter-options textarea.body {
    height: 340px;
}

.letter-options .Collapsible {
    background-color: #ddd;
    border-radius: 2px;
}

.letter-options .Collapsible__trigger {
    padding-left: 6px;
    cursor: pointer;
    line-height: 24px;
    font-size: 14px;
    font-weight: bold;
}

.letter-options .Collapsible__trigger.is-closed:before {
    content: "> ";
}

.letter-options .Collapsible__trigger.is-open:before {
    content: "< ";
}

.letter-options .Collapsible {
    margin-bottom: 12px;
}

.letter-options .Collapsible__contentInner {
    background-color: #fff;
    padding-top: 12px;
    padding-left: 12px;
}