* {
    box-sizing: border-box;
    list-style: none;
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

.nva {
    margin: 10px 20px;
    display: flex;
    gap: 25px;
    font-size: 20px;
}

.container {
    height: 700px;
}

.child_container {
    border: 2px solid black;
    margin: 20px auto;
    padding: 10px;
    min-width: 500px;
    width: 90%;
    min-height: 500px;
    height: 90%;
    background-color: gray;
}

.formClass {
    text-align: center;
}

.formClass label {
    font-size: 20px;
}

.formClass h2 {
    margin: 20px;
}

#height,
#weight {
    border-radius: 5px;
    font-size: 20px;
    padding: 5px;
    margin: 15px 20px;
    border: 2px solid black;
    font-style: italic;
    text-align: center;
}

#Calculate {
    font-size: 35px;
    border-radius: 10px;
    padding: 5px 15px;
    border: 3px solid black;
    margin: 20px;
}

.weightGuide {
    text-align: center;
    font-size: 20px;
    line-height: 30px;
    /* font-style: bold; */
}

.formClass h1 {
    /* margin-bottom: 10px; */
    margin: 0 auto 15px;
    font-size: 25px;
    color: blue;
    background-color: azure;
    max-width: 400px;
    width: 60%;
    text-align: center;
    padding: 5px;
    border-radius: 8px;
    border: 3px black solid;
    /* dghmrt */
}

/* input[type=button] {
    display: inline;
} */