#trenNumb table {
    line-height: unset;
}

.keyboard-column-container {
    display: flex;
    flex-direction: column;
    align-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
    align-items: center;
}

.keyboard-column {
    display: flex;
    flex-direction: row;
    height: 36px;
    padding-left: 10px;
    padding-right: 10px;
    max-width: 500px;
    width: 100%;
}

    .keyboard-column input {
        flex: 1;
        font-size: 18px;
        font-weight: 700;
        background-color: white;
        border-style: solid;
        border-width: 0.5px;
        border-color: #9E9E9E;
        border-radius: 5px;
        margin: 2px;
        color: black;
        height: 100%;
        gap: 3px;
        display: inherit;
    }

.oper_sign {
    height: 105px;
    text-align: center;
    vertical-align: middle;
    font-size: 120%;
    font-weight: 900;
    display: inline-flex;
    position: relative;
}


tr {
    display: block;
}

caption {
    font-weight: 900;
    font-size: 130%;
    margin-left: -100px;
    margin-bottom: -44px;
}

.disable-dbl-tap-zoom {
    touch-action: manipulation;
}

#chbox input {
    -webkit-appearance: checkbox;
    appearance: auto;
    height: 12px;
    width: 13px;
}



#trenCont {
    text-align: center;
}

#trenNumb {
    display: inline-block;
    vertical-align: middle;
}


.ch_btn {
    width: 173px;
    height: 32px;
    font-weight: 800;
    border: none;
    border-radius: 3px;
    border-bottom: 1px;
    margin-bottom: 10px;
    margin-top: 22px;
    cursor: pointer;
    background-color: rgb(239, 239, 239);
    -webkit-appearance: none;
}

.prim {
    width: auto !important;
    height: auto;
}

.butonClear {
    margin-left: 9px;
    border-style: none;
    padding: 8px;
    background-color: #f7f7f7;
    font-weight: 700;
    outline: none;
    cursor: pointer;
    display: inline;
}

.trainer-container-column {
    background-color: white;
    padding-top: 0;
    border-radius: 16px;
    margin: 0 auto;
    width: 100%;
}

#t1 {
    font-size: 15px;
    font-weight: bold;
    text-align: center;
    color: #666;
}

#t2, #t3 {
    width: 45%;
    box-sizing: padding-box;
    padding: 10px;
    display: inline-block;
    background: #aa2f2f;
    border: 0;
    color: #fff;
}

.td_big {
    height: 26px;
    width: 32px;
    color: black;
    border-style: solid;
    border-width: 0.5px;
    padding: 1px;
    text-align: center;
    border-color: gray;
    border-radius: 4px;
    margin: 1px;
    border-collapse: unset;
    border-spacing: 0px;
    display: inline-block;
    font-weight: 700;
    font-size: 125%;
    box-sizing: unset;
    padding-bottom: 6px;
}

@-webkit-keyframes invalid {
    from {
        box-shadow: 0 0 0 0.5px lightgray;
    }

    to {
        box-shadow: 0 0 0 2px var(--accent);
    }
}

@-moz-keyframes invalid {
    from {
        box-shadow: 0 0 0 0.5px lightgray;
    }

    to {
        box-shadow: 0 0 0 2px var(--accent);
    }
}

@-o-keyframes invalid {
    from {
        box-shadow: 0 0 0 0.5px lightgray;
    }

    to {
        box-shadow: 0 0 0 2px var(--accent);
    }
}

@keyframes invalid {
    from {
        box-shadow: 0 0 0 0.5px lightgray;
    }

    to {
        box-shadow: 0 0 0 2px var(--accent);
    }
}

.invalid {
    border-color: var(--accent) !important;
    border-width: 2px !important;
}

.td_small_bord {
    height: 1px !important;
    border-style: none !important;
    border-bottom-style: solid !important;
    border-width: 1.5px !important;
    border-radius: 0px !important;
    margin: 0 !important;
    border-color: blue !important;
    width: 39px;
}

.td_small_space {
    height: 1px !important;
    border-style: none !important;
    border-width: 0px !important;
    border-radius: 0px !important;
}


@media (min-width: 200px) {

    .td_small {
        height: 18px;
        width: 21px;
        color: black;
        border-style: solid;
        border-width: 0.5px;
        padding: 1px;
        text-align: center;
        border-color: gray;
        border-radius: 4px;
        margin: 1px;
        border-collapse: unset;
        border-spacing: 0px;
        display: inline-block;
        font-weight: 700;
        font-size: 119%;
        box-sizing: unset;
        padding-bottom: 6px;
    }
}

@media (min-width: 700px) {
    .td_small {
        height: 26px;
        width: 32px;
        color: black;
        border-style: solid;
        border-width: 0.5px;
        padding: 1px;
        text-align: center;
        border-color: gray;
        border-radius: 4px;
        margin: 1px;
        border-collapse: unset;
        border-spacing: 0px;
        display: inline-block;
        font-weight: 700;
        font-size: 125%;
        box-sizing: unset;
        padding-bottom: 6px;
    }
}

.butonClear2 {
    border-style: none;
    padding: 8px;
    background-color: #f7f7f7;
    font-weight: 700;
    outline: none;
    cursor: pointer;
    display: block !important;
    width: 252px !important;
    padding: 12px !important;
    margin-top: 15px !important;
}