body {
    font-family: Segoe UI, serif;
    background-image: url(https://webm-cdn.b-cdn.net/images/etc/background.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: center center;
}

* {
  box-sizing: border-box;
}

.column {
  float: left;
  width: 33.33%;
  padding: 5px;
  margin-top: 40px;
}

/* Clearfix (clear floats) */
.row::after {
  content: "";
  clear: both;
  display: table;
}

.text {
    font-size: 18px;
    color: black;
    text-align: center;
    margin-top: 30px;
}

.welcome {
    font-size: 24px;
    color: black;
    text-align: center;
}

.custom-button {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  font-family: Arial, sans-serif;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  color: #ffffff;
  background-color: black;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
  margin-top: 5px;
}

.custom-button:active {
  background-color: #104680;
}