*{
     margin: 0;
     padding: 0;
     box-sizing: border-box;
     font-family: "Roboto", sans-serif;
     outline: none;
}

body{
    background-color: #41bbc4;
}

.logo{
    width: 200px;
    display: block;
    margin: 10px auto;
}

main{
    width: 375px;
    height: auto;
    background: #F4F4F4;
    border-radius: 20px;
    margin: 0 auto 40px; 
    padding: 44px 24px 23px;
}

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

select, input{ 
    display: block;
    background: #FFFFFF;
    border: 1px solid #BBBBBB;
    border-radius: 4px;
    height: 48px;
    width: 100%;
    margin-bottom: 24px;
    appearance: none;
    padding-left: 18px;
    font-weight: 700;
    font-size: 16px;
    color: #555555;
    cursor: pointer;
}

button{
    background: #3db6e2;
    border-radius: 5px;
    width: 100%;
    border: none;
    height: 48px;
    color: #FFFFFF;
    font-weight: 700;
    font-size: 18px;
    cursor: pointer;
    box-shadow: 0 4px 4px rgba(0, 0, 0, 0.25);
}

button:hover{
    opacity: 0.8;
}

button:active{
    opacity: 0.6;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

section{
    border: 1px solid #1bc00f;
    border-radius: 20px;
    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{
    margin-top: 4px;
    color: #555555;
    font-weight: 700;
    font-size: 20px;
}

@media screen and (max-width: 500px)  {
    main {
        width: 90%;
        height: auto;
    }
}