@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');
body {
    margin: 0;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 5;
    width: 100%;
    height: 100%;
    position: absolute;
    font-family: Roboto, Arial, Helvetica, sans-serif;
    color: #00b4bd;
}

header {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
}

header h1 {
    font-weight: 400;
}

main {
    background-color: #f7f7f7;
    display: flex;
    align-items: center;
    justify-content: center; 
    flex:  5;
    height: 250px;
    padding: 40px;
}

main form {
    font-size: 20px;
}

main form input[type=text] {
    width: 300px;
    height: 40px;
    margin: 10px 0;
    border: 1px solid #00b4bd;
    padding: 0 10px;
    color: #555;
    font-size: 15px;
}

main form input[type=text]:focus {
    border: 1px solid #029ea7;
    background-color: #00b4bd23;
    outline-width: 0px;
}

main form input[type=text]::selection {
    background-color: #00b4bd;
    color: white;
}

#peso {
    margin-bottom: 20px;
}

main form input[type=button] {
    width: 120px;
    height: 50px;
    margin: 10px 0;
    border: 1px solid #00b4bd;
    border-radius: 25px;
    color: white;
    background-color: #00b4bd;
    font-size: 20px;
    padding: 10px;
}

main form input[type=button]:hover {
    border: 2px solid #018188;
    background-color: #029ba3;
    cursor: pointer;
}

main form input[type=button]:active {
    border: 2px solid #024e52;
    background-color: #02696e;
}

.calcular-resultado {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

#resultado {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    flex-direction: column;
}

#imc {
    font-size: 50px;
} 
#nivel {
    font-size: 15px;
    font-weight: 500;
    color: #555;
}

footer {
    background-color: #00b4bd;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    height: 50px;
    color: white;
}