<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <link rel="stylesheet" href="./style/reset.css" />
    <link rel="stylesheet" href="./style/style.css" />
    <title>Jokenpo</title>
  </head>
  <body>
    <div class="container">
      <header class="header"><h1 class="page-title">Jo-Ken-Po</h1></header>
      <main class="main">
        <img src="./imgs/jokenpo.png" alt="" class="scr" />
        <div class="images">
          <button class="btn btn-pedra" onclick="jogar('pedra')">
            <div class="opcao">
              <img src="./imgs/pedra.png" alt="" class="jo" id="pedra" />
              <label for="pedra">Pedra</label>
            </div>
          </button>
          <button class="btn btn-papel" onclick="jogar('papel')">
            <div class="opcao">
              <img src="./imgs/papel.png" alt="" class="ken" id="papel" />
              <label for="papel">Papel</label>
            </div>
          </button>
          <button class="btn btn-tesoura" id="tesoura" onclick="jogar('tesoura')">
            <div class="opcao">
              <img src="./imgs/tesoura.png" alt="" class="po" id="tesoura" />
              <label for="tesoura">Tesoura</label>
            </div>
          </button>
        </div>
        <div class="jogada">
          <div class="jogada-player">
            <span>PLAYER</span>
            <img src="" alt="" id="imgP" />
          </div>
          <div class="jogada-cpu">
            <span>CPU</span><img src="" alt="" id="imgC" />
          </div>
        </div>
        <div class="footer"></div>
      </main>
    </div>
    <script src="./js/scripts.js"></script>
  </body>
</html>Eu não sei como subir as imagens, a estrutura do código para vocês verem rodando. Mas ficou tão legal!
body {
  font-family: "Roboto Mono", monospace;
  min-height: 100vh;
  max-height: 100vh;
  background-color: antiquewhite;
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
}
.container {
  text-align: center;
}
.page-title {
  color: #282323;
}
.header{
  padding:0
}
.scr {
  height: 250px;
}
.main {
}
.images {
  display: flex;
  flex-direction: row;
  justify-content: space-around
}
.jogada {
  display: flex;
  justify-content: center;
  height: 50%;
}
.jogada-player, .jogada-cpu{
  display: flex;
  width: 350px;
  height: 30vh;
  justify-content: space-around;
  align-items: center;
  flex-direction: column;
  margin-top: 20px;
}
.opcao {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}
.opcao label{
  font-weight: 600;
  color: #282323;
  font-size: 20px;
}
span {
  font-size: 20px;
  font-weight: 600;
  text-align: center;
}
.btn {
  background-color: transparent;
  border: none;
}
.footer {
  color: #282323;
}