html, body {
    height: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
}

body {
    font-family: Arial, sans-serif;
    background: #1b1b1b;
    color: white;
}

header, footer {
    display: flex;  
    justify-content: center;
    align-items: center;
    background: #1f008f;
    color: white;
    text-align: center;
    padding: 1em;
}

main {
    padding: 20px;
    flex: 1; 
}

.post-preview {
    background: #252525;
    margin-bottom: 15px;
    padding: 15px;
    border-radius: 10px;
}

.post-preview h2 a {
    text-decoration: none;
    color: #0077cc;
}
.post-link {
    display: block;            
    text-decoration: none;     
    color: inherit;            
}

.post-link:hover .post-preview {
    background: #3a3a3a;       
    cursor: pointer;           
}

.post-preview h2 a:hover {
    text-decoration: underline;
}

header img {
    position: absolute;         
    left: 20px;                
    height: 100px;            
}