* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html,
body {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}
body > div {
    display: flex;
    flex-flow: column;
    align-items: center;
    width: 40%;
    height: 65%;
}
img {
    width: 150px;
    height: 150px;
}
h1 {
    margin-top: 20px;
    color: #5fbaa7;
}
.desc {
    margin-top: 20px;
}
.currency-one {
    margin-top: 30px;
}
.currency-one select {
    width: 70px;
    height: 30px;
    border: 2px solid #aeaeae;
    border-radius: 4px;
    background: #fff;
    appearance: none;
}
.currency-one input {
    padding-right: 10px;
    width: 400px;
    height: 46px;
    border: 0;
    text-align: right;
    font-size: 30px;
    cursor: text;
    appearance: none;
    outline: none;
}
.convert {
    margin-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 470px;
}
button {
    width: 70px;
    height: 30px;
    border: 0;
    background: #5fbaa7;
    color: #fff;
    cursor: pointer;
}