#keyboardzone {
    width: 100%;
    height: 500px;
    position: relative;
    display: block;
    background: #f0f0f0;
}
#keyboardzone * {
    transition: all 0ms;
}
#keyboardzone table th {
    border: 1px solid rgba(0,0,0,0.1);
    display: table-cell;
    vertical-align: middle;
    background-color: #fff;
    color: #333;
    transition: background-color 500ms;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    border-radius: 5px;
    font-size: 30px;
}
#keyboardzone table th:active {
    background-color: #e8e8e8;
    transition: background-color 0ms;
}
input {
    width: 800px;
    height: 50px;
    margin-bottom: 10px;
}