style2.css

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}
body {
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: seashell;
}
.container {
  width: 750px;
  height: 500px;
  border: 1px solid;
  background-color: white;
  display: flex;
  flex-direction: column;
  padding: 40px;
  box-shadow: 10px 10px 5px grey;
  justify-content: space-around;
}
.container h1 {
  text-align: center;
}
.first-row {
  display: inline;
}
.second-row {
  width: 60%;
  margin-right: 40px;
}
.owner {
  width: 60%;
  margin-right: 40px;
}
.cvv {
  width: 30%;
  margin-right: 40px;
}
.input {
  border: 1px solid #999;
}
.input input {
  width: 100%;
  border: none;
  outline: none;
  padding: 10px;
}
.selection {
  display: inline-block;
  justify-content: space-between;
  align-items: center;
}
.selection select {
  padding: 10px 20px;
}
.a {
  background-color: blueviolet;
  color: white;
  text-align: center;
  text-transform: uppercase;
  padding: 10px;
  font-size: 18px;
  transition: 0.5s;
}
.cards img {
  width: 100px;
}
.cards {
  display: flex;
}