body, html {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  height: 100%;
  overflow: hidden;
}

#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  background: #0f0f0f;
  z-index: 1;
}

.lato-bold {
  font-family: "Lato", sans-serif;
  font-weight: 700;
  font-style: normal;
}
.overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  text-align: center;
  color: white;
  /*background-color: rgba(0, 0, 0, 0.6);*/
  padding: 40px;
  border-radius: 15px;
}
h1>span {
  background-color: aliceblue;
  color: black;
  padding: 10px;
}
.logo {
  width: 250px;
  margin-bottom: 30px;
}

h1 {
  font-size: 2em;
  margin-bottom: 20px;
}

button {
  padding: 15px 30px;
  font-size: 1.2em;
  background-color: transparent;
  border: 2px solid;
  border-radius: 5px;
  color: white;
  cursor: pointer;
}

button:hover {
  background-color: #0056b3;
}
@media (max-width: 600px) {
  h1{
    line-height: 50px;
  }

  h1 > span {
    padding: 6px;
    font-size: 0.9em;
  }
  .overlay {
    padding: 20px;
  }
}