/* Reset Styles */

* {
  margin:10px;
  padding: auto;
  box-sizing: border-box;
}

/* Global Styles */

body {
  font-family: Arial, sans-serif; 
  color: #333;
  background-color: #fff;
  
}

img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
  max-width: 100%;
  height: auto;
}

.container {
  max-width: 960px;
  margin: 15 auto;
  padding: 5px;
}

h1 {
  font-size: 36px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 30px;
}
h2 {
  font-size: 30px;
  font-weight: bold;
  text-align: left;
  margin-bottom: 30px;
}
h3 {
  font-size: 24px;
  font-weight: bold;
  text-align: left;
  margin-bottom: 0px;
}
p {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 20px;
}
ol {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 20px;
}
ul {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 20px;
}
a:link, a:visited {
  background-color: #fff;
  color: #6495ed;
  padding: 0px 0px;
  text-align: center;
  text-decoration: none;
  display: table;
  height: 40%;
  width: 40%;

}

.btn {
  display: inline-block;
  padding: 10px 20px;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  text-decoration: none;
  color: #fff;
  background-color: #4CAF50;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: #3e8e41;
}

md-block { 
  white-space: nowrap; 
  font-family: Arial, Helvetica, sans-serif; 
  
}

md-span { 
 font-family: Arial, Helvetica, sans-serif; 
}

pre {
  color: #333;
  font-family: Arial, sans-serif;
  font-size: 20px;
  line-height: 1.5;

}

/* Responsive Styles */

@media screen and (max-width: 768px) {
  .container {
    padding: 30px;
  }
  
  h1 {
    font-size: 28px;
    margin-bottom: 20px;
  }
  
  p {
    font-size: 16px;
    margin-bottom: 15px;
  }
  
  .btn {
    font-size: 16px;
    padding: 0px 0px;
  }
}