header{
    background-color: rgb(255, 255, 255);
    width: 100%;
    height: 3.75rem;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.25rem;
    border-bottom: 1px solid #EFEFEF;
}
.header-box {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 3.75rem;
  line-height: 3.75rem;
}
.header-left-img,
.header-right-img {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 1.875rem;
  height: 1.875rem;
}
.header-left-img {
  left: 0;
}

.header-right-img {
  right: 0;
}
.header-box > span{
   font-size: 1.125rem;
  font-weight: 500;
  color: #000000;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}