.grain-calculator .flex-group{display:flex;flex-flow:row wrap;margin-right:-20px}.grain-calculator .flex-group .form-group{margin-right:20px;flex:0 0 calc((100% / 2) - 20px)}@media(max-width:600px){.grain-calculator .flex-group .form-group{flex:0 0 calc(100% - 20px)}}