window {
    background-color: #f5deb3;
    font-family: URW Gothic;
    font-weight: normal;
}
.label-key,
.label-left,
.label-right,
.label-letter,
.label-below {
    font-weight: bold;
}
.annunciator {
    padding: 0px;
    color: #080808;
}
.lcd-container,
.annunciators-container {
    background-color: #a9d0b2;
}
button {
    background-image: none;
    padding: 0px;
    margin-left: 15px;
    margin-right: 15px;
}
button.key-down {
    border-color: #080808;
}
button.menu {
    background-color: #a9a9a9;
}
button.function {
    background-color: #696969;
}
button.arrow {
    background-color: #e0e0e0;
    border-radius: 33%;
}
button.alpha {
    background-color: #fae82c;
}
button.core,
button.core-number {
    background-color: #080808;
}
button.alpha .label-key,
button.arrow .label-key,
button.menu .label-key {
    color: #080808;
}
button.shift-left {
    background-color: #4060a4;
}
button.shift-right {
    background-color: #8e2518;
}
button.shift-left .label-key,
button.shift-right .label-key {
    font-size: 24px;            /* typically 2 * base font size */
    color: #080808;
}
button.core-number .label-key,
button.arrow .label-key,
.annunciator {
    font-size: 21px;            /* typically 1.75 * base font size */
}
.label-key {
    font-size: 12px;            /* base font size */
    color: #ffffff;
}
.label-left,
.label-right,
.label-letter,
.label-below {
    font-size: 9px;            /* typically 0.75 * base font size */
}
.label-left {
    color: #4060a4;
}
.label-right {
    color: #c06e60;
}
.label-below {
    color: #4060a4;
}
.label-letter {
    color: #fae82c;
}