.tx-preview{
    background-color: #000;
    color: white;
    padding: 5px 15px;
    display: inline-block;
    font-weight: bold;
    position: relative;
    margin: 0 auto;
    font-size: 4em;
}
.dd{
    background-color: rgb(255, 240, 240);
}
.alu-width{
    display: block;
    width: 100%;
    border-bottom: 1px solid #fff;
    font-size:10px;
    text-align:center;
    color:#fff;
}
.alu-height{
    position: absolute;
    height: calc(100% - 30px);
    writing-mode: vertical-rl;
    text-align: center;
    border-right: 1px solid #fff;
    left: 3px;
    margin-top: 3px;
    display: block;
    font-size: 10px;
}
.tx-preview .txt{
    /* text-shadow: 3px 3px 3px red; */
    margin: 0;;
    margin-left: 20px;
}
.led{
    text-shadow: 5px 4px 3px red, 10px 0px 18px rgb(197, 0, 0);
}
.non-led{
    text-shadow: 4px 3px 3px red;
}