style.css

@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@500&display=swap");

#heading {
  color: red;
  text-align: center;
  font-family: "Montserrat", monospace;
  color:rgb(228, 54, 54);
}

.img-container{
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

#container {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  width: 100%;
}

.card {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  border-radius: 10px;
  margin: 2rem;
  width: auto;
}
.card:hover .inner {
  background: linear-gradient(to right, #007cf0 0%, #00DFD8 100%);
}

.card .inner {
  background-color: #333;
  width: 100%;
  padding: 1rem;
  color: #fff;
  border-top-left-radius: 10px;
  border-bottom-right-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Montserrat", monospace;
  transition: background 1.5s linear;
}