.newsletter-item {
  float: none;
  width: 100%;
}

.newsletter-item-img{
  position: relative;
  width: 100%;
  padding-bottom: 139%;
}
.newsletter-item-img img {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}
/* .newsletter-item img {
  display: block;
  width: 3.813333rem /* 286/75 */;
  height: 5.333333rem /* 400/75 */;
  margin-left: auto;
  margin-right: auto;
  vertical-align: middle;
} */

.newsletter-item-title {
  padding: .133333rem /* 10/75 */ 0;
  text-align: center;
  border-bottom: 4px solid #4378E5;
}

.newsletter-item-title a {
  color: rgba(51, 51, 51, 1);
  font-size: .27rem /* 20/75 */;
}