.index-photo-add{
  left: 0;
  width: 100%;
}
.index-photo-text{
      left: 0;
    display: block;
    text-align: center;
}
.index-photo-add-span-box{
  margin: 0 auto;
}

@media only screen and (max-width: 550px){
  .index-photo-text{
    letter-spacing: 0;
    font-size: 12px;
  }
}