style.css

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: sans-serif;
}
:root {
  --black: #222;
  --yt: #fdfcfa;
  --brdRd: 0.25rem;
  --bxShd: 0 1px 6px 0 rgba(102, 103, 104, 0.445);
  --div: 150px;
}
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100vw;
  background: #dadada;
}
header {
  height: 10vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--black);
  margin-bottom: 1rem;
}
nav {
  color: var(--yt);
}
main {
  display: flex;
  justify-content: center;
  align-items: center;
}
section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.card {
  cursor: pointer;
  min-width: var(--div);
  min-height: var(--div);
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  padding: 1rem;
  margin: 1rem;
  border-radius: var(--brdRd);
  box-shadow: var(--bxShd);
  background: var(--black);
  color: var(--yt);
}
.avatar {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
}
h2 {
  font-size: 1rem;
}
#avos {
  background-color: rgb(41, 7, 44);
}
#card {
  background-color: rgb(14, 6, 35);
}
#ringnyu {
  background-color: rgb(101, 93, 138);
}
#moses {
  background-color: rgb(13, 5, 31);
}
#israel {
  background-color: rgb(16, 8, 40);
}
#emma {
  background-color: rgb(0, 77, 51);
  font-weight: bold;
}

/** Place your selector above this comment **/

@media (min-width: 375px) {
  section {
    flex-direction: row;
    max-width: 60vw;
    flex-wrap: wrap;
  }
}