/*--selector universal--*/
*{margin: 0;
padding: 0;}

/*--selector body--*/
body{background: #f2f2f2;}

/*--ID contenedor--*/
#contenedor{background: #fff;
margin: 0 auto;
width: 960px;}

/*--selector h1--*/
h1{border-top: 1px solid#5858fa;
border bottom: 1px solid#5858fa;
text-align: center;
color: #5858fa;}

form {width: 350px;
margin: 0 auto;
padding: 20px;
margin-top: 40px;
}

fieldset{border: 2px solid #5858fa;
border-radius: 10px;
}

fieldset legend{background: #5858FA;
color: #FFF;
padding: 5px; 
border-radius: 10px;
}
input[type="text"] {width: 300px;
margin-top: 20px;
margin-left: 70px;
padding: 10px;
background: #FFF;
border: 1px solid #5858FA;
border-radius: 10px;
}
input[type="button"] {width: 90px;
margin-top: 10px;
margin-left: 5px;
margin-bottom: 5px;
padding: 10px;
border-radius: 10px;}

input[type="button"]:hover {
background-color: blue;}