* {
    box-sizing: border-box;
}
   
header a:first-child {
    margin-right: auto;
    font-size: 30px;
    font-weight: bold;
}

a {
    color: black;
    text-decoration: none;
    padding: 0.5rem;
}

header, footer {
    padding: 10px 0px;
}

h1 {
    display: block;
    font-size: 2em;
    margin-block-start: 0.67em;
    margin-block-end: 0.67em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    font-weight: bold;
}

main {
    margin: auto;
    width: clamp(500px, 70vw, 1100px);
}

div {
    display: block;
}

p {
    display: block;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
}

header {

    display: flex;
    align-items: center;
    font-weight: bold;
}

.contaner {
    display: flex;
    flex-flow: wrap;
    justify-content: space-around;
    align-items: center;
}

img {
    width: 200px;
    border: 5px solid whitesmoke;
    border-radius: 12px;
    box-shadow: 0px 0px 8px grey;
    display: flex;
    flex-basis: calc(100% / 5);
    margin: 5px;
}

footer {
    text-transform: uppercase;
    text-align: center;
    font-weight: bold;
}

html {
    font-size: 16px;
    font-family: Arial, Helvetica, sans-serif;
}