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

header{
    background: #008080;
    padding: 20px 0;
}

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

.img-logo{
    width: 13em;
}

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

nav li{
    display: inline;
    margin: 0 0 0 15px;
}
nav a{
    text-transform: uppercase;
    color: #000000;
    font-weight: bold;
    font-size: 25px;
    text-decoration: none;
}

nav a:hover {
    color: #DC143C ;
    text-decoration: underline;
    font-size: 2em;
    transition: 0.7s;
}

.banner{
    width: 100%;   
}

.titulo-principal {
    text-align: center;
    font-size: 2em;
    margin: 1em 0 1em;
    clear: left;
}
.principal {
    background: #FEFEFE;
    padding: 3em 0;
    width: 940px;
    margin: 0 auto;
}

.principal p {
    margin: 0 0 1em;
    padding: 8px ;
    font-size: 18px;
}

.principal strong {
    font-weight: bold;
}

.principal em {
    font-style: italic;
}
.coracao{
    width: 160px;
    float: left;
    margin: 0 20px 20px 0;
    box-shadow: 5px 0px 5px 0px #DC143C;
}

.beneficios{
    padding: 3em 0;
    background: linear-gradient(#FEFEFE, #B0C4DE, #008080);
}
.conteudo-beneficios, .conteudo-catshop {
    width: 640px;
    margin: 0 auto;
}

.lista-beneficios, .lista-catshop {
    width: 45%;
    display: inline-block;
    vertical-align: top;
}

.itens {
    line-height: 2;
    text-shadow: 0.1em 0.3em 0.5em #008080;
}

.itens:before {
    content: "🐈";
}
.itens:first-child {
    font-weight: bold;
}

.imagem-ambiente{
    width: 55%;
    opacity: 0.3;
    transition: 400ms;
    box-shadow: 20px 10px 20px 5px #008080;
}

.imagem-ambiente:hover {
    opacity: 1;       
}

.video, .video2 {
    width: 500px;
    margin: 20px auto;
    padding: 5px 10px;
    box-sizing: border-box;
    border: 8px ridge #20B2AA;
    border-radius: 10px;
    
}

footer{
    text-align: center;
    background: #008080;
    padding: 20px 0;
}

.logo-branco{
    width: 8em;
}

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