body {
    font-family: sans-serif;
    font-size: 13px;


}



.fieldset {
    display: block;
    border-radius: 10px;
    max-width: 350px;
    background-color: rgb(98, 98, 163);

}

.heading {
    font-size: 24px;

}

.name {
    display: block;
    margin-bottom: 15px;

}

.age {
    display: block;
    margin-bottom: 10px;


}

.tel {
    display: block;
    margin-bottom: 10px;


}

.mail {
    display: block;
    margin-bottom: 10px;
}

.message {
    display: block;
    margin-bottom: 10px;
    resize: vertical;
    

}




.checkbox {
    display: block;
    cursor: pointer;
    

}

.button {
    display: block;
    cursor: pointer;
    color: aqua;
    background: #000;
    border-radius: 10px;
    border-color: blue;
}

.window {
    border-radius: 6px;
    padding-left: 3%;
}

.textarea {
    border-radius: 6px;
    resize: vertical;
    display: block;
    padding-left: 3%;
    max-height: 200px;
}