html {
  overflow-y: scroll;
}

body {
  font-family: Helvetica, Arial, sans-serif;
  max-width: 800px;
  margin: 30px auto;
  padding: 0 20px;
  line-height: 1.0;
  color: #d9d9d9;
  background-color: #000000;
}

h1 { font-size: 2.0rem; margin-bottom: 0.5em; color: #d9d9d9; text-align: center; }
p { font-size: 1.2rem; margin-bottom: 1.5em; text-align: left;}

#blog_title {
  text-align: center;
  font-size: 1.0rem;
  margin-bottom: 2.3em;
  letter-spacing: 3px;
  color: #d9d9d9;
}

#icon_image {
max-width: 20%;
}

time {
  font-size: 1.0rem;
  text-align: center;
  color: #9a9a9a;
  margin-top: 1.0em;
  display: block;  
}

.box1-button {
  text-decoration: none;
  color: #c1c1c1;
  font-size: 0.9rem;
  padding: 8px 12px;
  border: 1px solid #686868;
  border-radius: 10px;    
  transition: all 0.2s ease;
  min-width: 100px;       
  text-align: center;     
  /* display: inline-block; */
}

.box1-button:hover {
    background: #000000;
    color: #0096FF;
    box-shadow: 0 0 20px #0096FF;
}

.post-preview {
  margin-top: 2.0em;
  margin-bottom: 3.0em;
}

.blog-card {
    border: 1px solid #686868; 
    border-radius: 27px;  
    padding: 10px 30px 40px 30px; 
    margin-bottom: 50px; 
    text-align: center;
    line-height: 1.6;
}

.main-card {
    border: 1px solid #686868; 
    border-radius: 27px;  
    padding: 10px 30px 10px 30px; 
    margin-bottom: 50px; 
    text-align: center;
    line-height: 1.6;
}

.main-card h1 {
  font-size: 1.5rem;
  color: #d9d9d9;
}

.main-nav ul {
  list-style-type: none; 
  padding: 10px;
  display: flex;         
  justify-content: center; 
  gap: 20px;             
}

.main-nav a {
  text-decoration: none;
  color: #c1c1c1;
  font-size: 0.9rem;
  padding: 8px 16px;
  border: 1px solid #686868;
  border-radius: 10px;    
  transition: all 0.2s ease;
  min-width: 50px;       
  text-align: center;     
  display: inline-block;

}

.main-nav a:hover {
    background: #000000;
    color: #0096FF;
    box-shadow: 0 0 20px #0096FF;
}