* {
    margin: 0;
    padding: 0;
    box-sizing:border-box;
}



body {
  margin: 0;
  font-family: sans-serif;
}

.container {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  background: #444;
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 1em;
  gap: 1em;
  width: 200px;
}

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1em;
  padding: 2em;
}

.block {
  height: 150px;
  border-radius: 4px;
}

.block1 { background: #f06; }
.block2 { background: #0cf; }
.block3 { background: #fc0; }
.block4 { background: #444;}
.block5 { background: #f444;}
@media screen and (max-width: 768px) {
  .container {
    flex-direction: column;
  }

  .sidebar {
    flex-direction: row;
    width: 100%;
    justify-content: space-around;
  }

  .content {
    padding: 1em;
  }
}