body {background-color:#636B2F;
    font-family: arial;
    color: white;
}
h1{
    color:#3D4127;
    font-family: verdana;
}
.maindiv{
    background-color: #D4DE95;
    color: #3D4127;
    width: 400px;
    height: 285px;
    padding: 20px;
    border-radius: 25px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    margin-top: 100px;

}
.amount-input,
.rate-input,
.year-input
{
    margin-bottom: 10px;
}
.compute-button{
    margin-top: 5px;
    background-color: #3D4127;
    color: white;
    width: 150px;
    height: 34px;
    border-radius: 17px;
    border-style: solid;
    border-width: 0px;
    font-size: 13px;
    font-weight: 600;
    transition:background-color 0.3s;
}
.compute-button:hover{
    background-color: #565c38;
}

.footer{
    margin-top: 40px;
    text-align: center;
}