#app{
    font-size:20px;
}
input{
    width:50px;
    height:16px;
    font-size:16px;
    border-radius:4px;
}
.row{
    display: flex;
    flex-flow: row nowrap;
    justify-content: flex-start;
    align-items: center;
    white-space: nowrap;
}

#number_K{
    width:170px;
}

.divider{
    width:100%;
    height:1px;
    margin:8px 0;
    background-color:lightgrey;
}
#number_K_display{
    width:140px;
}
#half{
    width:fit-content;
    margin-left:8px;
}