style.css

body {background-color: black;}
h1{color:green;}

p {
    font-family: sans-serif;
}

body > div {
    background-color: white;
    display: block;
    border-radius: 25px;
    padding: 25px;
    padding-top: 20px;
    width: 400px;
    margin-left: 45px;
    padding-bottom: 1.5px;
}

body > div > h1 {
    position: relative;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    left: -1%;
    color: rgb(139, 139, 139);
}

body > div > div {
    background-color: transparent;
    margin-left: 60px;
    font-family: sans-serif;
    font-weight: 560;
    font-size: 12px;
}

#VC {
    font-size: 16px;
    font-weight: 300;
    margin-left: -5px;
}

.text-1 {
    position: relative;
    margin-left: 48px;
    width: 118px;
    outline: none;
}

.text-2 {
    position: relative;
    margin-left: 17px;
    width: 100px;
    outline: none;
}

.text-3 {
    position: relative;
    margin-left: 21px;
    width: 40px;
    outline: none;
}

.btn {
    width: 95px;
    font-size: 10px;
    font-weight: 545;
}

#After {
    display: none;
    font-family: sans-serif;
    background-color: transparent;
}

p {
    font-weight: 250;
}

#Deposit, #Interest, #Amount, #Year {
    background-color: yellow;
}