.wrap {

width: 100%;
max-width: calc(700px + 3.6rem);
margin: 0 auto;
padding: 0 1.8rem;

// background-image: linear-gradient(rgba(50, 50, 50, .1) 1px, transparent 1px);
// background-size: 100% 32px;

}

@media screen and (min-width: 1440px) {

.wrap {
  max-width: calc(800px + 3.6rem);

  // background-size: 100% 40px;
}

}