* {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
     font-family: "Roboto", sans-serif;
 }

 body {
     background-color: #8A51FC;
 }

 .logo {
     width: 300px;
     display: block;
     margin: 20px auto;
     /*display: block e margin: 20px auto servem para centralizar qualquer elemento no CSS*/
 }

 main {
     width: 375px;
     background: #F4F4F4;
     border-radius: 16px;
     margin: 0 auto 40px;
     padding: 44px 24px 23px;
 }

 label {
     color: #777777;
     font-weight: 400;
     font-size: 14px;
 }

 select,
 input {
     background: #ffffff;
     border: 1px solid #bbbbbb;
     border-radius: 4px;
     height: 48px;
     width: 100%;
     margin-bottom: 24px;
     appearance: none;
     padding-left: 14px;
     font-weight: 700;
     font-size: 15px;
     color: #555555;
     cursor: pointer;

 }

 button {
     background: #772fd3;
     border-radius: 5px;
     width: 100%;
     border: none;
     height: 48px;
     color: #ffffff;
     font-size: 14px;
     cursor: pointer;

 }

 button:hover {
     opacity: 0.8;
 }

 button:active {
     opacity: 0.6;
 }

 .currency-box {
     border: 1px solid #772fd3;
     border-radius: 28px;
     margin-top: 36px;
     padding: 12px;
     display: flex;
     flex-direction: column;
     align-items: center;
 }

 .arrow-img {
     margin: 15px 0;
 }

 .currency-box {
     display: flex;
     flex-direction: column;
     align-items: center;
     gap: 4px;
 }

 .currency {
     color: #777777;
     font-size: 14px;
 }

 .currency-value,
 .currency-value-to-convert {
     color: #555555;
     font-weight: 700;
     font-size: 20px;
 }

 .currency-img {
     width: 32px;
 }