body {
    margin: 0;
}

nav {
    position: fixed;
    width: 100%;
    background-color: rgba(0,0,0,0.2);
}  

nav img {
    position: absolute;
    left:10px;top:10px;
    z-index: 1;
}

nav ul#menu-desktop {
    margin:0;
    padding:0;
    text-align: right;
}

nav ul#menu-desktop li {
    list-style-type:none;
    display: inline;
}

nav ul#menu-desktop li a {
    padding: 30px 40px;
    text-decoration: none;
    color:#FFF;
    display: inline-block;
    margin-right: -3px;
    font-family: Roboto, sans-serif;
    font-size: 80%;
    letter-spacing: 0.60
}

nav ul#menu-desktop li a:hover {
    background-color: rgba(213,26,44,1);
}

nav ul#menu-mobile, nav div#menu-btn {
    display: none;
}   

header {
    width: 100%;
    height: 800px;
    margin: 0 auto;
    background-image: url(../img/foto-capa-pizza.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: top center;
} 

header h1 {
    font-family: Roboto, sans-serif;
    font-size: 500%;
    color: #FFF;
    text-align: center;
    padding-top: 25%;
    text-shadow: 0 0 10px #000;
}

main {
    margin:0;
    width: 100%;
}

main section#apresentacao {
    width: 90%;
    max-width: 1500px;
    min-width: 320px;
    margin: 100px auto;
}

main section.pizzas {
    font-family: Roboto, sans-serif;
    width: 30%;
    float: left;
    background-color: #FFF;
    box-shadow: 0 0 10px #666;
    border-radius: 5px;
}

main section.pizzas img {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    object-position: top center;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
}

main section.pizzas h3 {
    text-align: center;
    margin-bottom: 0;
}

main section.pizzas p {
    text-align: center; 
    padding: 5%;
    margin-top: 1%;
    color:#666;
    font-size: 90%;
}

main section.pizzas a {
    display: block;
    text-align: center; 
    background-color: forestgreen;
    color:white;
    padding:3%;
    text-decoration: none;
    border-bottom-left-radius: 5px;
    border-bottom-right-radius: 5px;
}            

main section.direita {
    float: right;
}

main section.centro {
    margin-left: 5%;
}