#precision {
    max-width: 2em;
}

#divRechner {
    text-align: center;
    margin-bottom: 64px;
}

#divRechner fieldset {
    border: none;
}

#divRechner input {
    width: 4.5em;
    text-align: center;
    font-size: 1em;
    font-weight: normal;
}

#main #divRechner h3 {
    font-size: 1em;
}

#Lx1, #Lx2, #Lx3 {
    font-weight: bold;
}

@media (max-width: 700px) {
    #divRechner input {
        width: 3.5em;
    }    
}