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

body {
  max-width: 100%;
  height: 100vh;
  font-family: sans-serif, monospace, fantasy;
  background-color: #000;
  color: #fff;
}

header {
  width: 100%;
  height: 50px;
  position: fixed;
  top: 0;
  left: 0;
}

.back {
  padding: 10px 25px;
  margin: 10px;
  background: #ffdf00;
  border: 0;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
}

.back a {
  text-decoration: none;
  color: #fff;
}

.heading2 {
  display: flex;
  justify-content: center;
  align-items: center;
}

.heading2 h1 {
  padding-top: 60px;
  color: #ffdf00;
  font-size: 40px;
}

.row2 {
  padding: 20px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media only screen and (max-width: 1100px) and (min-width: 930px) {
  .card {
    max-width: 35% !important;
    min-height: 490px !important;
    margin-top: 20px;
    padding-bottom: 50px;
  }
}
@media only screen and (max-width: 900px) and (min-width: 760px) {
  .card {
    max-width: 40% !important;
    min-height: 490px !important;
    margin-top: 20px;
    padding-bottom: 50px;
  }
}