.presentation.sidebar_resd {
  display: flex;
  max-width: 1140px;
  min-height: 100vh;
  margin: 0 auto;
  gap: 20px;
}

.premier_bloc {
  width: 784px;
}

.image_pub_aside {
    width: 300px;
    height: 600px;
    border-radius: 0px;
    background: #D3D3D3;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
}