style.css

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html,
body {
  height: 100%;
}

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
  -webkit-user-drag: none;
}

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

body {
  background-color: #fff;
  background-image: url(./images/background.jpg);
  background-size: cover;
  height: 100vh;
  overflow: hidden;
  color: #1a2129;
}

a {
  cursor: pointer;
}

main {
  padding-inline: 1rem;
  padding-block: 1rem;
  display: flex;
  flex-direction: column;
  gap: 4rem;
  height: 100%;
  user-select: none;
}

.avatar {
  width: 3rem;
  align-self: flex-end;
}

.avatar img {
  border-radius: 50%;
  box-shadow: 2px 2px 16px -4px rgba(0, 0, 0, 0.6);
}

::-webkit-scrollbar {
  display: none;
}