.keyboard * {
    box-sizing: border-box;
}
.keyboard {
    background: black;
    padding: 10px;
    border: 1px solid #666;
    border-radius: 10px;
    text-align: center;
}
.keyboard .keyboard-btn {
    color: white;
    padding: 0 0;
    font-weight: bold;
    background-color: #626262;
    border: 0;
    border-radius: 5px;
    margin: 2px;
}
.keyboard .keyboard-btn.control {
    background-color: #F58400;
}
.keyboard .keyboard-btn:hover {
    background-color: #288EB2;
}
.keyboard .keyboard-btn.control:hover {
    background-color: #F58400;
}
.keyboard-input {
    height: 48px;
    cursor: text;
}
.keyboard-input>div {
    height: 42px;
    border: 1px solid #666;
    border-radius: 8px;
    background-color: #262626;
    color: white;
    line-height: 42px;
}
.keyboard-input .input-content {
    width: 100%;
    height: 100%;
    background: unset;
    border: 0;
    text-align: center;
    font-size: 32px;
    color: white;
}
.keyboard .pos {
    border-right: 1px solid white;
    margin: 0 2px;
}