h1{
    text-align: center;
    font-family: Georgia, serif;
}

h4{
    text-align: center;
    font-family: Georgia, serif;
}

fieldset.parte_1{
    margin-left: 100px;
    margin-right: 100px;
}

fieldset input:hover, select:hover{
    background-color: red;
}

fieldset input:focus, select:focus{
    background-color: yellow;
}

a:focus{
    color: yellow;
}

.boton{
    margin-left: 45%;
    width: 150px;
    height: 50px;
}

label{
    font-weight: bolder;
    font-family: Arial, Helvetica, sans-serif;
}

legend{
    font-size: 20px;
    font-weight: bolder;
    font-family: Arial, Helvetica, sans-serif;
}

.regresar{
    margin-top: 100px;
    text-align: center;
    font-size: 25px;}
    .back{
        font-family: Verdana, Geneva, Tahoma, sans-serif;
        text-decoration: none;
        color: rgb(192, 7, 7);}
        .back:hover{
            text-decoration: underline;
}