#exchangeRate {
    display: none;
}

 .input-sign {
     position: relative;
 }

 .input-sign input {
     padding-left: 1.5rem;
 }

 .input-sign:before {
     position: absolute;
     top: 0;
     left: 0.5rem;
 }

 .input-eur:before {
     content: "€";
 }

 .input-gbp:before {
     content: "£";
 }