body {
  background-color: black;
  font-family: Verdana;
  color: white;
}

.title {
  text-align: center;
}

.container {
  padding-left: 10%;
  padding-right: 10%;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

a {
  display: block;
  background: linear-gradient(to top, red 0%, black 100%);
  color: white;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;

  min-width: 220px;

  margin-top: 15px;
  margin-bottom: 15px;

  margin-left: 5px;
  margin-right: 5px;

  padding: 1em 1.5em;

  border-style: solid;
  border-color: #3f3f3f;
  border-width: thin;
  border-radius: 3px;
}

/* Extra small devices (phones, 600px and down) */
@media only screen and (max-width: 600px) {
  a {
    font-size: larger;
  }
}

/* Small devices (portrait tablets and large phones, 600px and up) */
@media only screen and (min-width: 600px) {
  a {
    font-size: smaller;
  }
}

/* Medium devices (landscape tablets, 768px and up) */
@media only screen and (min-width: 768px) {
}

/* Large devices (laptops/desktops, 992px and up) */
@media only screen and (min-width: 992px) {
}

/* Extra large devices (large laptops and desktops, 1200px and up) */
@media only screen and (min-width: 1200px) {
}