style.css

body{
    font-family: Arial;
    background-color: rgb(73, 153, 223, 0.5);
}
fieldset{
    width: 280px;
    margin: 0 auto;
    border: none;
    padding: 0 0 10px 0;
    background-color: rgba(242, 230, 230, 0.981);
}

form{
    background-color: rgba(242, 230, 230, 0.981);
    width: 280px;
    padding: 10px 10px 0 10px;
    margin: 0 auto;
    margin-bottom: 50px;;
    border-radius: 10px;
    box-shadow:  -15px 15px 7px #a79e9ebd;
    
}
input{
    border: none;
    margin: 20px auto;
    width: 280px;
    background-color: rgb(216, 189, 79, 0.4);
    padding: 15px 0;
    text-align: center;
    font-size: 18px;
    border-radius: 10px;
}

input[type="submit"]{
    background-color: rgb(33, 196, 24, 0.5);
    color: rgba(7, 7, 7, 0.344);
    cursor: pointer;
}