css
/* style.css */

body {
  font-family: Arial, sans-serif;
  background-image: linear-gradient(to bottom, #ff0000, #00ff00, #0000ff);
  background-size: 100%;
  color: #fff;
  padding: 0;
  margin: 0;
}

/* Global Styles */

a {
  text-decoration: none;
  color: #000;
  border-bottom: 4px solid #000;
  border-bottom-width: 4px;
  border-bottom-style: solid;
  border-bottom-color: #000;
  border-top: none;
  border-left: none;
  border-right: none;
  border-top-style: solid;
  border-right-style: solid;
  border-left-style: solid;
  border-top-width: 4px;
  border-right-width: 4px;
  border-left-width: 4px;
  padding: 8px 16px 16px 16px;
  font-size: 24px;
  font-weight: bold;
  letter-spacing: 2px;
  text-align: center;
  display: block;
  width: 300px;
  margin: 16px 32px 16px 16px;
  border-radius: 0;
  background-color: #000;
  box-shadow: 0 0 10px #000;
  transition: 1s;
  text-transform: uppercase;
}

/* Class Styles */

#lost-links {
  background-image: linear-gradient(90deg, #ff0000, #00ff00, #0000ff);
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-origin: border;
  background-clip: border-box;
  background-clip: border;
  border-style: solid;
  border-width: 4px;
  border-color: #000;
  border-radius: 0;
  padding: 16px 16px 16px 16px;
  margin: 16px 32px 16px 32px;
  box-shadow: 0 10px 10px #000;
  text-align: center;
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 2px;
  transition: 1s;
  text-transform: uppercase;
}

#lost-links a {
  text-decoration: none;
  color: #fff;
  border-bottom: 4px solid #fff;
  border-bottom-width: 4px;
  border-bottom-style: solid;
  border-top: none;
  border-left: none;
  border-right: none;
  border-top-style: solid;
  border-right-style: solid;
  border-left-style: solid;
  border-top-width: 0;
  border-right-width: 0;
  border-left-width: 0;
  padding: 8px 16px 16px 16px;
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 2px;
  text-align: center;
  display: block;
  width: 250px;
  margin: 16px 16px 16px 16px;
  border-radius: 0;
  background-color: #000;
  box-shadow: 0 10px 10px #000;
  transition: 1s;
  text-transform: uppercase;
  background-image: linear-gradient(90deg, #ff0000, #00ff00, #0000ff);
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-origin: border;
  background-clip: border;
  border-style: solid;
  border-width: 4px;
  border-color: #000;
  border-radius: 0;
  padding: 16px 16px 16px 16px;
  margin: 16px 32px 16px 32px;
  box-shadow: 0 10px 10px #000;
  text-align: center;
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 2px;
  transition: 1s;
  text-transform: uppercase;
}

/* Link Styles */

a:hover {
  background-color: #fff;
  color: #000;
  border-color: #000;
  text-decoration: none;
  transition: 1s;
}

a:active {
  background-color: #000;
  color: #fff;
  text-decoration: none;
  border-color: #000;
  text-align: center;
  text-transform: uppercase;
  transition: 1s;
}

a:visited {
  background-color: #000;
  color: #000;
  text-decoration: none;
  border-color: #000;
  text-align: center;
  text-transform: uppercase;
  transition: 1s;
}