h1 {
  text-align: center;
  font-family: "Times New Roman", Times, serif;
  padding-top: 100px;
  padding-bottom: 40px;
}

.center {
  display: flex;
  justify-content: center;
  padding-top: 40px;
  padding-bottom: 100px;
  font-family: cursive;
  font-size: large;
}

table {
  text-align: center;
}

.main {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgb(33, 37, 41);
}

.icon {
  width: 50px;
  height: 50px;
  border-radius: 50px;
  background: #fff;
  margin: 10px;
  text-align: center;
  font-size: 25px;
  line-height: 50px;
  box-shadow: 5px 10px 20px rgba(150, 150, 150, 0.3);
}

/* responsive */
@media only screen and (min-width: 320px) and (max-width: 991px) {
  .main {
    flex-direction: column;
  }
}