* {
    margin: 0;
    padding: 0;
    box-sizing: border-box; 
    font-family: Montserrat, sans-serif;
    color: #f9f7f7;
}

.container {
    max-width: 1024px;
    width: 100%;
    margin: 0 auto;
    scroll-margin-top: 80px;
}

body {
    background-color: #f3f3f4;
}

header .container,
section .container {
    display: flex; 
    align-items: center;
    justify-content: space-between;
} 

header {
    position: sticky;
    top: 0; 
    left: 0;
    z-index: 2; 
    padding-top: 5px;
    background-color: #2a2d30;
    color: #f3f3f4;
}

header h1 {
    font-size: 1.7em;
    color: #f3f3f4;
    margin-inline-end: auto;
}

header nav li {
    display: inline;
    margin-left: 14px;
    font-size: 1.2em;
}

header nav li a {
    color: #f3f3f4;
    text-decoration: none; 
}

.pinguim-carousel {
    padding-bottom: 48px;
    scroll-margin-top: 80px;
}

.carousel-item {
    height: 500px;
}

.container h2 {
    color:#2a2d30;
    border-bottom: 1px solid #2a2d30;
    padding-bottom: 8px;
    margin-bottom: 24px;
}

.card-img-overlay {
    background-color: rgba(0,0,0,0.6);
}

.card img {
    max-height: 400px;
    }

.card-title {
    padding-top: 12px;
}

.card-subtitle {
    padding: 12px 0; 
}

article {
        margin-bottom: 24px;
    }

.footer {
    background-color: #2a2d30;
    font-size: 0.9em;    
    text-align: center;
    padding: 12px;
    margin-top: 100px;
}

@media screen and (max-width: 767px) {
    .container {
        max-width: 95%;
    }

    .container nav {
        text-align: right;
    }

    .pinguim-carousel {
        padding-bottom: 0 px; 
    }

    .carousel-item {
        height: 300px;  
    }
    
    .pinguim-carousel img {
        height: 100%;          
        width: 100%;
        object-fit: cover;     
        object-position: center;
    }
}

@media screen and (min-width:768px) and (max-width: 1023px) {
        .pinguim-carousel img {
        height: 100%;          
        width: 100%;
        object-fit: cover;  
        object-position: center;
    }
}