* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f0f0f0;
}

header {
  height: 50vh;
  background: linear-gradient(rgba(0, 0, 0, 0.179), rgba(0, 0, 0, 0.65)), url("https://engineering.uiowa.edu/sites/engineering.uiowa.edu/files/styles/ultrawide__1312_x_562/public/2022-04/19415%20Robot.jpg?h=9519e769&itok=9MPxvMcI");
  background-repeat: no-repeat;
  background-size: cover;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

header h1 {
  padding-top: 22vh;
  font-size: 3rem;
}

nav {
  background-color: #f0f0f0;
  padding: 10px 0;
}

nav ul {
  list-style-type: none;
  display: flex;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

nav ul li {
  display: inline-block;
}

nav a {
  text-decoration: none;
  color: #333;
  font-family: Arial, sans-serif;
  transition: border-bottom 0.3s ease;
  padding: 5px 10px;
}

nav a:hover {
  border-bottom: 2px solid #333;
}

.container {
  max-width: 1200px;
  margin: 20px auto;
  padding: 0 20px;
}

.content {
  background-color: white;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.content1 {
  background-color: white;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
  margin-left: 0px;
  margin-right: 0px;
}

.team-name {
  font-size: 2em;
  margin-top: 20px;
}

.robot-image {
  display: block;
  margin: 0 auto;
  width: 200px;
  height: 200px;
  object-fit: contain;
}

.other-image {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 200px;
  height: 100px;
  object-fit: contain;
}

.row {
  --bs-gutter-x: 1rem;
}

.box {
  border: solid;
  border-width: 1px;
  border-radius: 5px;
}

.flex-center, .container .cards, header {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  font-family: sans-serif;
}

.container .cards {
  flex-direction: row;
}

.container .cards .card {
  border: 0.6px solid rgb(168, 168, 168);
  width: 500px;
  height: 500px;
  padding: 20px;
  margin: 20px;
  font-family: sans-serif;
}

.container .cards .card .card-img,
.container .cards .card .img-four,
.container .cards .card .img-three,
.container .cards .card .img-two {
  background-image: url("https://images.unsplash.com/photo-1543352634-99a5d50ae78e?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=2071&q=80");
  background-repeat: no-repeat;
  background-size: cover;
  width: 100%;
  height: 200px;
  margin-bottom: 20px;
}

.container .cards .card .img-one {
  background-image: url("https://i.ytimg.com/vi/K6bXZiY1U-0/sddefault.jpg");
}

.container .cards .card .img-two {
  background-image: url("https://i3.ytimg.com/vi/Gt3Ibm6ITZU/maxresdefault.jpg");
}

.container .cards .card .img-three {
  background-image: url("https://i3.ytimg.com/vi/nO0gldjzqO8/maxresdefault.jpg");
}

.container .cards .card .img-four {
  background-image: url("https://i3.ytimg.com/vi/DR84hIaUfCQ/maxresdefault.jpg")
}

.container .cards .card p {
  margin-bottom: 2rem;
  max-width: 300px;
  line-height: 1.4;
  color: rgb(96, 96, 96);
}

.container .cards .card .card-title {
  margin-bottom: 20px;
  color: rgb(28, 28, 28);
}

.container .cards .card .btn-primary {
  text-decoration: none;
  color: #515151;
  border: 1px solid #515151;
  padding: 10px 20px;
}

footer {
  background-color: #333;
  color: white;
  text-align: center;
  padding: 10px 20px;
  bottom: 0;
  width: 100%;
}

@media screen and (max-width: 1200px) {
  nav ul {
      flex-wrap: wrap;
      justify-content: center;
  }

  nav ul li {
      margin: 5px 15px;
  }
}

@media screen and (max-width: 768px) {
  .container .cards {
      flex-direction: column;
  }

  .container .cards .card {
      width: 90%;
      height: auto;
      margin: 20px auto;
  }

  .robot-image,
  .other-image {
      width: 150px;
      height: 150px;
  }
}

@media screen and (max-width: 480px) {
  header h1 {
      font-size: 2rem;
  }

  .team-name {
      font-size: 1.5em;
  }

  .container .cards .card p {
      max-width: 100%;
  }
}