.el-box {
  margin: 0 auto;
  width: 100%;
  padding: 0 15px;
 -webkit-box-sizing:content-box; 
 box-sizing:content-box;
 }

@media (min-width: 1700px) {
  .el-box {
    max-width: 1370px;
  }
}
@media (max-width: 1700px) {
  .el-box {
    max-width: 1370px;
  }
}
@media (max-width: 1400px) {
  .el-box {
    max-width: 1138px;
  }
}
@media (max-width: 1200px) {
  .el-box {
    max-width: 961px;
  }
}
@media (max-width: 991px) {
  .el-box {
    max-width: 737px;
  }
}
@media (max-width: 767px) {
  .el-box {
    max-width: calc(100% - 30px);
  }
}





.el-box_small {
  margin: 0 auto;
  width: 100%;
  padding: 0 15px;
}

@media (min-width: 1700px) {
  .el-box_small {
    max-width: 1138px;
  }
}
@media (max-width: 1700px) {
  .el-box_small {
    max-width: 1138px;
  }
}
@media (max-width: 1200px) {
  .el-box_small {
    max-width: 961px;
  }
}
@media (max-width: 991px) {
  .el-box_small {
    max-width: 737px;
  }
}
@media (max-width: 767px) {
  .el-box_small {
    max-width: calc(100% - 30px);
  }
}