header { background-color:#404040; width:1600px; height:50px; margin-left:120px; position: sticky; } ul { display:flex; justify-content:space-around; font-size:25px; color:white; align-items:center; font-family:Arial; } main { width:1600px; height:800px; margin-left:120px; display:flex; justify-content:space-around; align-items:center; } .blok { justify-content:center; background:#ffd9b3; width:400px; height:400px; border-radius:40%; display:flex; justify-content:center; align-items:center; box-shadow: 10px 10px 10px 10px gray; }