* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #a40505;
    margin: 0;
}

header {
    background-color: #000;
}

#blood-vi {
    margin: auto;
    display: block;
}

main {
    background-color: #a40505;
}

.menu-nav {
    display: flex
}

.nav-list {
    position: relative;
    display: flex;
    justify-content: space-around;
}

.botao-nav {
    background-color: #000;
    color: #ffff;
    font-family: 'Courier New', Courier, monospace;
    font-size: 20px;
    width: 100px;
    height: 80px;
}

.botao-nav:hover {
    background-color: #000;
    color: #a40505;
    font-size: 30px;
    transform: scale3d(1.1);
    transition: all 0.4s;
}

h1 {
    font-family: 'Courier New', Courier, monospace;
    font-size: 35px;
    font-weight: bold;
    text-align: center;
}

#img-livro {
    margin: auto;
    display: block;
}

#img-boi {
    margin: auto;
    display: block;
}

p {
    font-family: 'Courier New', Courier, monospace;
    font-size: 20px;
    color:#fff;
    text-align: justify;
    margin-left: 200px;
    margin-right: 200px;
}

h2 {
    font-family: 'Courier New', Courier, monospace;
    text-align: center;
    font-size: 30px;
}

h3 {
    font-family: 'Courier New', Courier, monospace;
    text-align: center;
}

#lista-obras {
    font-family: 'Courier New', Courier, monospace;
    margin-left: 250px;
}

#lista-obras a {
    font-weight: bold;
    text-align: justify;
    color: #000;
    text-decoration: none;
}

.links-obras:hover {
    background-color: #a40505;
    color: white;
}

#h2-resposta {
    font-family: 'Courier New', Courier, monospace;
    color: #fff;
}

#resposta-container {
    background-color: #000;
    opacity: 0.9;
    width: 550px;
    margin-left: auto;
    margin-right: auto;
    padding: 20px 30px;
    margin-top: 10vh;
    border-radius: 10px;
    text-align: center;
}

form {
    color:#fff;
    margin-top: 30px;
    margin-bottom: 40px;
}

input, label {
    font-family: 'Courier New', Courier, monospace;
    font-size: 25px;
    font-weight: bold;
    text-align: center;
    padding: 35px;
    width: 500px;
    text-align: left;
    color:#fff;
}

#botao-resposta {
    background-color: #a40505;
    opacity: 0.9;
    color: white;
    font-family: 'Courier New', Courier, monospace;
    font-size: 25px;
    width: 200px;
    height: 60px;
    border-left: 5px;
    border-radius: 10px;
}

#botao-resposta:hover {
    background-color: #fff;
    color: #000;
    transform: scale(1.1);
    transition: 0.5s;
}

footer {
    background-color: #000;
}

html {
    scroll-behavior: smooth;
}

#topo {
    display: flex;
    justify-content: center;
}

#footer {
    display: inline-block;
    justify-content: center;
}

#footer {
    font-family: 'Courier New', Courier, monospace;
    font-size: 20px;
    color: #fff;
}

#footer a {
    font-weight: bold;
    color: #fff;
    text-decoration: none;
}

#footer a:hover {
    font-weight: bold;
    color: #a40505;
    text-decoration: none;
}