body {
  font-family: Arial, Helvetica, Solaimanlipi, sutonnymj, sans-serif !important;
}

* {
  box-sizing: border-box;
}

.form-inline {  
  display: flex;
  flex-flow: row wrap;
  align-items: center;
}

.form-inline label {
  margin: 5px 10px 5px 0;
}

.form-inline input,select {
  vertical-align: middle;
  margin: 5px 10px 5px 0;
  padding: 10px;
  background-color: #fff;
  border: 1px solid #ddd;
  /*width: 19% !important;*/
  margin-right: 5px !important;
  border-radius: 5px;
  font-family: Arial, Helvetica, Solaimanlipi, sutonnymj, sans-serif !important;
}

.form-inline button {
  padding: 10px 20px;
  background-color: dodgerblue;
  border: 1px solid #ddd;
  color: white;
  cursor: pointer;
  /*width: 19% !important;*/
  margin-right: 5px !important;
  border-radius: 10px;
  font-family: Arial, Helvetica, Solaimanlipi, sutonnymj, sans-serif !important;
}

.form-inline button:hover {
  background-color: royalblue;
}

@media (max-width: 800px) {
  .form-inline input,select {
    margin: 10px 0;
  }
  
  .form-inline {
    flex-direction: column;
    align-items: stretch;
  }
}