CalculatorStyles.css

body {
    background-color: white;
    opacity: 0.85;
    margin-top: 125px;
    margin-left: 675px;
    margin-right: 675px;
    margin-bottom: 25px;
    border: 2px solid black;
    box-shadow: 0 10px 10px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.line-separator{
    height:1px;
    background: #717171;
    border-bottom:1px solid #313030;
    margin-left: 15px;
    margin-right: 15px;
}

html { 
  background: url("weight2.jpg") no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
}

h4 {
    font-size: 19px;
}

.header {
    text-align: center;
    font-size: 20px;
}

.option {
    padding-left: 50px;
    font-size: 19px;
}

.tboption {
    padding-left: 50px;
    font-size: 19px;
    width : 350px;
}


.textbox {
    text-align: right;
}

.calculate {
    display:block;
    margin: 0 auto;
    font-size: 18px;
}

.calculateText {
    font-size: 19px;
}

input[type="radio"]{
    -webkit-appearance: checkbox;
}

.textbox {
    width: 30%;
    display: inline-block;
    text-align: right;
    
}