fieldset {
    width: 500px;
    border: 2px solid green;
    margin: 0 auto;
    border-radius: 5px;
}

legend {
    color: black;
    font-size: 25px;
}

dl {
    float: right;
    width: 390px;
}

dt {
    
    padding-bottom: 5px;
    margin-bottom: 5px;
    color: black;
    font-size: 19px;
}

dd {
    width: 200px;
    float: left;
}

    dd input {
        width: 200px;
        border: 1px solid #DDD;
        font-size: 15px;
        text-indent: 5px;
        height: 28px;
    }

        dd input:hover {
            width: 200px;
            border: 1px solid green;
            font-size: 15px;
            text-indent: 5px;
            height: 28px;
        }

.btn {
    color: #fff;
    background-color: blue;
    height: 38px;
    border: 2px solid #CCC;
    border-radius: 10px;
    float: left;
}