:root {
    --text: "Cal Sans", sans-serif;
    font-weight: 400;
    font-style: normal;
    --title: "Limelight", sans-serif;
    font-weight: 400;
    font-style: normal;
    --laranja-abóbora: #e67e22;
    --azul-celeste: #1a5f8d;
    --amarelo-sol: #f1c40f;
    --branco: #fff;
    --preto: #000;
}

body {
    background-color: var(--amarelo-sol);
    font-family: var(--text);
}

header {
    color: var(--azul-celeste);
    text-align: center;
    font-family: var(--title);
    font-size: 2rem;
}

section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: var(--branco);
    border-radius: 10px;
    padding: 15px;
    width: 500px;
    margin: auto;
    box-shadow: 3px 3px 10px #0000006b;
}

#txtn,
#seltab {
    border: 2px solid var(--laranja-abóbora);
    padding: 5px;
    margin: 5px;
    border-radius: 5px;
}

#btn {
    background-color: var(--laranja-abóbora);
    color: var(--branco);
    padding: 5px;
    border-radius: 5px;
    cursor: pointer;
    border: 2px solid var(--laranja-abóbora);
}

#btn:hover {
    background-color: var(--azul-celeste);
    border: 2px solid var(--azul-celeste);
}

option {
    width: 150px;
    text-align: center;
    font-family: var(--text);
}

footer {
    margin-top: 10px;
    color: var(--preto);
    text-align: center;
}

footer a {
    color: var(--preto);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* MOBILE */
@media (max-width:700px) {
    section {
        border-radius: 5px;
        padding: 15px;
        width: 300px;
    }

    p {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
}