.bbpress-form-search {
  float: left !important;
  position: relative;
}

.bbpress-form-search__magnifier {
  position: absolute;
  left: 12px;
  top: 8.5px;
}

.bbpress-form-search__input {
  background-color: #f4f4f4;
  border-radius: 8px;
  -webkit-border-radius: 8px;
  -moz-border-radius: 8px;
  -ms-border-radius: 8px;
  -o-border-radius: 8px;
  border: 0;
  outline: none;
  padding-left: 40px;
  width: 320px !important;
  height: 38px;
}