style.css

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
}

header {
    background: #bbbbbb;
    padding: 20px 0;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #999999;
    border-radius: 30px;
}

::-webkit-scrollbar-thumb {
    background: #000000;
    border-radius: 30px;
}

.input-padrao {
    display: block;
    margin: 0 0 20px;
    padding: 10px 15px;
    width: 50%;
    border-radius: 5px;
    border: none;
}

.logo {
    cursor: initial;
}

.caixa {
    width: 940px;
    position: relative;
    margin: 0 auto;
}

nav {
    position: absolute;
    top: 110px;
    right: 0;
}

nav li{
    display: inline;
    margin: 0 0 0 15px;
}

nav a {
    text-transform: uppercase;
    color: #000000;
    text-decoration: none;
    font-weight: bold;
    font-size: 22px;
}

nav a:hover {
    text-decoration: underline;
    color: #c78c19;
    font-size: 1.5em;
    transition: 2s ease-in-out;
}

hr {
    width: 100%;
    height: .2rem;
    background: #000000;
    border: none;
}

footer {
    text-align: center;
    background: url(/images/bg.jpg);
    padding: 40px 0;
}

footer a {
    text-decoration: none;
    color: #ffffff;
}

/*CSS da página inicial*/
.banner {
    width: 100%;
}

.titulo-principal {
    text-align: center;
    font-size: 2em;
    margin: 0 0 1em;
    clear: left;
    font-weight: initial;
}

.titulo-principal:first-letter {
    font-weight: bold;
}

.principal {
    padding: 3em 0;
    background: #ffffff;
    width: 940px;
    margin: 0 auto;
}

.principal p{
    margin: 0 0 1em;
}

.principal strong {
    font-weight: bold;
}

.principal em {
    font-style: italic;
}

.utensilios {
    float: left;
    width: 140px;
    margin: 0 20px 20px 0;
    border-radius: 5px;
}

.mapa {
    padding: 3em 0;
    background: linear-gradient(#ffffff, #888888);
}

.mapa-conteudo {
    width: 940px;
    margin: 0 auto;
}

.mapa p {
    margin: 0 0 2em;
    text-align: center;
}

.mapa iframe {
    border-radius: 5px;
    box-shadow: 20px 20px 50px #000000;
}

.beneficios {
    padding: 3em 0;
    background: #888888;
}

.conteudo-beneficios {
    width: 640px;
    margin: 0 auto;
    list-style: none;
}

.lista-beneficios {
    width: 40%;
    display: inline-block;
    vertical-align: top;
}

.itens {
    line-height: 1.5;
    list-style: none;
}

.itens:first-child {
    font-weight: bold;
}

.itens::before {
	content: "🟊 ";
}

.itens:hover {
    font-size: 1.1em;
    transition: 1s ease-in-out;
}

.imagem-beneficios {
    width: 60%;
    opacity: 1;
    transition: 400ms;
    border-radius: 5px;
    box-shadow: 10px 10px 50px #000000;
}

.imagem-beneficios:hover {
    opacity: 0.8;
}

.video {
    width: 560px;
    margin: 2em auto;
    box-shadow: 20px 20px 50px #000000;
}

.video iframe {
    border-radius: 5px;
}

.copyright {
    font-size: 13px;
    color: #ffffff;
    margin: 20px 0 0;
}

@media screen and (max-width: 480px) {
    .caixa, .principal, .conteudo-beneficios, .mapa-conteudo, .video{
        width: auto;
    }
    h1 {
        text-align: center;
    }
    nav {
        position: static;
    }
    .lista-beneficios, .imagem-beneficios {
        width: 100%;
    }
}

#link-topo {
    position: fixed;
    right: 3rem;
    bottom: 3rem;
    width: 3rem;
    height: 3rem;
    background: #999999;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    border-radius: 100%;
    box-shadow: 5px 5px 30px 0 rgba(51, 51, 51, 40%);
    text-decoration: none;
    animation: bounce-bottom 2s ease-in-out infinite alternate-reverse;
}

@keyframes bounce-bottom {
    to {
        transform: translateY(10px);
        animation-timing-function: ease-in;
        opacity: 1;
    }
    from {
        transform: translateY(0px);
        animation-timing-function: ease-out;
        opacity: 1;
    }
}