input.el-input__inner::placeholder { /* Chrome, Firefox, Opera, Safari 10.1+ */
  color: #aaa;
  opacity: 1; /* Firefox */
}

input.el-input__inner:-ms-input-placeholder { /* Internet Explorer 10-11 */
  color: #aaa;
}

input.el-input__inner::-ms-input-placeholder { /* Microsoft Edge */
  color: #aaa;
}

.el-input-number {
  max-width: 100%;
}
.el-input__inner[type="number"] {
  padding-right: 0;
}