.container {
  display: flex;
}
.column {
  flex: 1;
  padding: auto;
}

.column:first-child {
  flex: 1 0 70%;
}

.column:nth-child(2) {
  flex: 1 0 5%;
}
.column:nth-child(3) {
  flex: 1 0 25%;
}

a {
  cursor: pointer;
}