```css id="blogstyle"
/* ========================= */
/* BLOG GLOBAL */
/* ========================= */

*{

margin:0;

padding:0;

box-sizing:border-box;

}

body{

font-family:Arial,sans-serif;

background:#f5f7fb;

color:#111;

line-height:1.8;

}

/* ========================= */
/* HEADER */
/* ========================= */

header{

display:flex;

justify-content:space-between;

align-items:center;

padding:20px 40px;

background:white;

box-shadow:0 2px 10px rgba(0,0,0,0.08);

position:sticky;

top:0;

z-index:1000;

flex-wrap:wrap;

}

.logo{

font-size:30px;

font-weight:800;

}

nav{

display:flex;

gap:20px;

flex-wrap:wrap;

}

nav a{

text-decoration:none;

color:#111;

font-weight:bold;

transition:0.3s;

}

nav a:hover{

color:#0ea5e9;

}

/* ========================= */
/* BLOG CONTAINER */
/* ========================= */

.blog-container{

max-width:1100px;

margin:60px auto;

padding:40px;

background:white;

border-radius:20px;

box-shadow:0 5px 25px rgba(0,0,0,0.08);

}

/* ========================= */
/* HEADINGS */
/* ========================= */

h1{

font-size:48px;

margin-bottom:25px;

line-height:1.3;

color:#111827;

}

h2{

font-size:32px;

margin-top:45px;

margin-bottom:20px;

color:#111827;

}

h3{

font-size:24px;

margin-top:30px;

margin-bottom:15px;

}

/* ========================= */
/* TEXT */
/* ========================= */

p{

font-size:18px;

margin-bottom:20px;

color:#374151;

}

ul,
ol{

margin-left:30px;

margin-bottom:25px;

}

li{

margin-bottom:12px;

font-size:18px;

color:#374151;

}

/* ========================= */
/* RELATED POSTS */
/* ========================= */

.related-posts{

margin-top:60px;

padding:30px;

background:#f9fafb;

border-radius:20px;

}

.related-posts a{

text-decoration:none;

color:#0ea5e9;

font-weight:bold;

}

/* ========================= */
/* FOOTER */
/* ========================= */

footer{

margin-top:60px;

padding:40px;

background:#111827;

color:white;

text-align:center;

}

/* ========================= */
/* MOBILE */
/* ========================= */

@media(max-width:768px){

header{

padding:20px;

}

.blog-container{

margin:30px 15px;

padding:25px;

}

h1{

font-size:36px;

}

h2{

font-size:28px;

}

p,
li{

font-size:17px;

}

}
```