html {
    font: 10px Verdana, Tahoma, sans-serif;
}

body {
    font: 1.5rem;
    margin: 1em;
    color: #333;
}

section {
    padding: .5em 0;
    display: flex;
    gap: 2em;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

article {
    width: 90%;
}

.container {
    
}

.imghdr {
    border: solid 4px #fff;
    box-shadow: 0 4px 4px #999;
}

h1 {
    font-size: 4rem;
    margin-bottom: .5rem;
}

p {
    margin:0 0 1em;
}

a {
    color: #fff;
    text-decoration: none;
}

.button {
    background: #000;
    color: #fff;
    padding: .25em .5em .35em;
    border-radius: .5em;
}

nav {
    background-color: #3796c6;
    padding: 10px;
    margin-bottom: 2em;
}

.nav1 ul {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1em;
}

.nav1 li:first-child {
    order: 1;
    margin-left: auto;
}

div {
    font-size: 1.5em;
    margin: 0 auto;
/*    border: solid 0px #333;*/
    width: 100%;
    height: 200px;
    display: flex;
    flex-basis: auto;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

footer {
    display: flex;
    align-items: center;
    justify-content: space-between; /* distribuir equitativamente */
    background-color: darkgrey;
    color: white;
    padding: 15px 10px 15px;
}