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

body {
    background: #008B8B;
}

.logo {
    width: 150px;
    margin: 0 auto;
    display: block;
}

main {
    display: block;
    margin: 0 auto;
    border-radius: 20px;
    background: #F4F4F4;
    width: 375px;
    height: 712px;
    padding: 44px 24px 23px;
}

.top-container {
    align-items: center;
    align-content: center;
}

label {
    color: #777;
    font-size: 14px;
    font-weight: 400;
}

select {
    color: #555;
    font-size: 16px;
    font-weight: 700;
    width: 327px;
    height: 48px;
    border-radius: 4px;
    border: 1px solid #BBB;
    background: #FFF;
    border-color: #BBBBBB;
    padding: 10px;
}

input {
    width: 327px;
    height: 48px;
    border-radius: 4px;
    border: 1px solid #BBB;
    background: #FFF;
    box-shadow: 2px 2px 5px 0 rgba(0, 0, 0, 0.15);
    border-color: #BBBBBB;
    color: #555;
    font-size: 16px;
    font-weight: 700;
    padding: 10px;
}

#mid-label {
    display: block;
    margin-top: 24px;
}

#under-label {
    display: block;
    margin-top: 24px;
}

button {
    display: block;
    margin-top: 24px;
    width: 327px;
    height: 48px;
    border-radius: 5px;
    background: #4875f4;
    box-shadow: 2px 2px 5px 0 rgba(0, 0, 0, 0.15);
    border: none;
    color: #FFF;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
}

button:hover {
    opacity: 0.6;
}

button:active {
    opacity: 0.8;
}

.lower-container {
    width: 327px;
    height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-radius: 20px;
    border: 1px solid #008B8B;
    margin-top: 25px;
    padding: 15px;
}

.currency-text {
    color: #777;
    font-size: 14px;
    font-weight: 400;
}

.value-text {
    color: #555;
    font-size: 20px;
    font-weight: 700;
}

.arrow {
    margin: 15px 0;
}

footer {
    text-align: center;
    font-size: 10px;
    font-weight: 400;
    margin-top: 7px;
}