* {
    box-sizing: border-box;
}

html {
    font-size: 18px;
}

body {
    margin: 0px;
    font-family: 'Courier New', Courier, monospace;
}

.flex {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.conteiner {
 
    padding: 1rem;
    margin: 20px auto;
    min-width: 576px;
    width: 70vw;
    max-width: 992px;
    min-height: 100vh;
}

.photo {
    font-size: 2rem;
    margin-right: auto;
}

header > a {
    font-weight: bold;
}

a {
    text-decoration: none;
    color: black;
}

main {
    flex-grow: 1;
}

.imgcatalog {
    margin: 30px 0px 50px;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: center;
    justify-content: space-around;
}

img {
    width: calc((100% - 3 * 1.5rem) / 4);
    border: 5px solid white;
    box-shadow: 0px 0px 8px gray;
    border-radius: 10px;
}
header, main, footer {
    
    padding: 1rem;
    
}

.flex {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    gap: 10px;
    
}
main {
    flex-grow: 1;
    justify-content: center;
    
}


header {
    display: flex;
    gap: 8px;
    align-items: center;
    
}

footer {
    text-align: center;
    font-size: 1rem;
    
}