body{
    background: rgb(55, 136, 150);
    color: #fff;
    font: normal 15pt Arial;
    text-align: center;
}

section{
    width: 350px;
    margin-left: auto;
    margin-right: auto;
    background: rgba(255, 255, 255, 0.746);
    color: #555;
    padding-bottom: 20px;
    border-radius: 8px;
    
}

select, input{
    border: none;
    border-radius: 8px;
    text-align: center;
    margin: 20px;
    width: 150px;
    height: 23px;
}

input#ans{
    width: 200px;
}

input#button{
    background:  rgb(29, 98, 110);
    color: #fff;
    border: none;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 20px;
    width: 150px;
    height: 23px;
}
div#dec{
    border: none;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 20px;
    background: #fff;
    width: 150px;
    height: 23px;
    display: inline-block;

}
footer{
    color: white;
    text-align: center;
    font-style: italic;
    font-size: 13px;
}