.calc_box {
    width: 50%;
    margin: 0;
    padding: 0;
    float: left;
    box-sizing: border-box;
    padding: 20px;
}

.calc_box td {
    line-height: 25px !important;
}

.calc_box input, .calc_box select {
    margin: 0 !important;
    padding: 0 !important;
}

.calc_box > .title, .calc_box > .calc_wrapper {
    width: 100%;
    margin: 0;
    padding: 0;
    float: left;
    display: block;
}

.calc_box > .title {
    color: #007536;
}

.calc_box > .calc_wrapper {
    border: 1px solid #007534;
    box-sizing: border-box;
    padding: 15px;
}

.calc_box td, .calc_box tr {
    border: 0;
}

.calc_box hr {
    border-color: rgb(238, 238, 238);
    border-width: 1px;
    margin: 0;
    height: auto;
}

.calc_box .calculate_button {
    width: 120px;
    height: 46px;
    display: inline-block;
    background: url(../images/Button_Calculate.png) no-repeat top left;
}

.calc_box .calculate_button:hover {
    background: url(../images/Button_Calculate_Rollover.png) no-repeat top left;
}