body {
 font-family: "Ms Gothic", "sans serif"; 
 background-color: pink;
 color: indianred;
}

h1,h2,h3,h4,h5 {
  color: palevioletred;
  margin: 0px;
  padding: 0px;
}

p {
  padding: 0px;
  margin: 0px;
}

.container {
  width: 500px; 
background-color: #ffd3da;
}

.flex { display: flex; }
.c1 { flex: 1; }
.c2 { flex: 2; }
.c3 { flex: 3; }
.c4 { flex: 4; }