.flex-column{display:flex;flex-direction:column}.flex-row{display:flex;flex-direction:row}main{font-family:Arial,Helvetica,sans-serif;text-transform:uppercase;letter-spacing:1px}input{border-radius:0;height:26px;text-align:center;border:2px solid;border-color:#000;color:#000;margin-top:2px}button{width:100%;background-color:#000;color:#fff;font-family:Arial,Helvetica,sans-serif;text-transform:uppercase;letter-spacing:1px;font-weight:700}button:hover{background-color:gray;color:#fff}