* {
    font-family: Calibri, serif;
    font-size: 19px;
    color: #fff;
    user-select: none;
}

body {
    background-color: #36393F;
    overflow: hidden;
}

.numbers {
    position: absolute;
    left: 50%;
    top: 50%;
    translate: -50% -50%;
    pointer-events: none;
    text-align: center;
}

.keyboard {
    position: absolute;
    right: 0;
    width: 100%;
    bottom: 0;
}

.keyboard > .toggle > img {
    margin-left: 100%;
    translate: -125%;
    cursor: pointer;
    width: 32px;
    transition: scale .2s;
}

.keyboard > .toggle > img:hover {
    scale: 1.1;
}

.keyboard > .table {
    background-color: #33353a;
    width: 100%;
    height: 0;
    transition: height .4s;
    overflow: hidden;
}

.keyboard > .table > .keys {
    position: absolute;
    left: 50%;
    translate: -50%;
    margin-top: 15px;
}

.keyboard > .table > .keys > div {
    display: flex;
}

.keyboard > .table > .keys > div > div {
    background-color: #656a72;
    width: 35px;
    height: 35px;
    text-align: center;
    line-height: 35px;
    margin: 5px;
    border-radius: 3px;
    cursor: pointer;
    transition: scale .1s, background-color .1s;
}

.keyboard > .table > .keys > div > div:hover {
    scale: 1.1;
    background-color: #82868d;
}