.tClass {
    width: 80%;
}

    .tClass td {
        width: 40%;
    }

.divCalc {
    margin-bottom: 20px;
    border-style: solid;
    padding-left: 57px;
    padding-top: 20px;
    border-width: 1px;
    width: 252px;
    border-color: #c5d0db;
    border-radius: 5px;
}

.pAbout {
    font-weight: 700;
    letter-spacing: 1px;
    color: #666;
}


.lclass {
    height: 30px;
    font-size: 125%;
    /*width: 150px;*/
    text-align: center;
    letter-spacing: 1px;
    display: block;
    padding-top: 11px;
    background-color: #e4e4e4;
    border-style: none;
    white-space: nowrap;
}

.lclass2 {
    height: 28px;
    font-size: 125%;
    /*width: 150px;*/
    text-align: center;
    letter-spacing: 1px;
    display: block;
    padding-top: 3px;
    background-color: #f7f7f7;
    border-style: none;
    font-weight: 100;
    white-space: nowrap;
}

.lclassEx {
    height: 30px;
    font-size: 125%;
    /*width: 150px;*/
    text-align: center;
    letter-spacing: 1px;
    display: block;
    padding-top: 11px;
    background-color: white;
    border-style: none;
}

.lclass2Ex {
    height: 28px;
    font-size: 125%;
    /*width: 150px;*/
    text-align: center;
    letter-spacing: 1px;
    display: block;
    padding-top: 3px;
    background-color: white;
    border-style: none;
    font-weight: 100;
}

.btPrec2 {
    margin-top: 15px !important;
    border-radius: 6px !important;
    border-style: solid;
    border-width: 0.5px !important;
    height: 34px !important;
    display: block !important;
    color: black !important;
    clear: both !important;
    background-color: white;
    border-color: #999;
    font-weight: bolder;
    font-family: 'Times new roman';
    margin-left: 42px;
    margin-bottom: 20px;
}

td {
    font-family: 'Times new roman' !important;
}

select {
    margin-left: 2px;
}

option {
    font-weight: bold;
}

span {
    font-weight: bold;
    font-family: 'Times new roman';
}

.formula2 {
    float: left;
    height: 80px;
    border-style: solid;
    border-width: 1px;
    margin-right: 7px;
    border-radius: 5px;
    margin-bottom: 10px;
    margin-top: 4px;
    padding: 2px;
    border-color: #ff7921;
}

table.tableClass {
    margin-top: 0 !important;
}