* {
  box-sizing: border-box;
  font-family: "PT Sans", sans-serif;
}

body {
  margin: 0;
  padding: 0 0 50px 0;
  background: white;
}

header {
  padding: 0 20px;
  color: white;
  background: rgba(0, 0, 0, 0.9);
  text-align: center;
  display: flex;
  flex-flow: row wrap;
  align-items: center;
}

#octocat {
  width: 48px;
  height: 48px;
  padding: 0;
  margin: 0;
}

h1 {
  padding: 20px;
  margin: 0;
  letter-spacing: 0.07rem;
}

header p {
  line-height: 38px;
}

.card {
  margin-top: 10px;
  height: 480px;
  width: calc(480px / 3.5 * 2.5);
  overflow: none;
  border-radius: 10px;
  box-shadow: 0px 10px 66px -6px rgba(196, 192, 196, 1);
}

img {
  width: calc((480px / 3.5 * 2.5) - 30px);
  height: 200px;
  margin: 15px;
  margin-bottom: 0px;
}

#cards-wrapper,
#form {
  margin-top: 30px;
  display: flex;
  flex-flow: row wrap;
  justify-content: space-around;
}

.form-div {
  width: calc(480px / 3.5 * 2.5);
}

input[type="text"] {
  width: 100%;
  font-size: 1rem;
  border-radius: 5px;
  border: none;
  background: #ecf0f1;
  margin-top: 5px;
  margin-bottom: 10px;
  line-height: 2rem;
  padding-left: 10px;
}

button {
  font-size: 1rem;
  padding: 5px;
  border-radius: 5px;
  border: none;
}

#submit-btn {
  width: 20vw;
  margin: 0 40vw;
  background: rgba(0, 0, 0, 0.7);
  color: white;
}

#fight-btn {
  margin: 0 auto;
  background-color: crimson;
  color: white;
  font-weight: bold;
  margin-top: 10px;
  width: 20vw;
}

#fight-div {
  text-align: center;
}

.hidden {
  display: none;
}

ul,
h2 {
  list-style-type: none;
  padding: 0 15px;
}

li {
  line-height: 2rem;
  display: flex;
  justify-content: space-between;
}

#winner-div {
  text-align: center;
  margin-top: 30px;
}

#winner-div h2 {
  font-weight: 300;
}

strong {
  font-weight: 700;
}

@media screen and (min-width: 1050px) {
  .main-wrapper {
    width: 75%;
    margin: auto;
  }
  #submit-btn {
    margin: 0 12.5vw;
  }
  header {
    padding: 0 12.5%;
  }
}