* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    text-align: center;
}

body {
    background-color: #0077b6;
}

h1 {
    margin-top: 10px;
    color: #ffffff;
}

.container {
    max-width: 500px;
    margin: 20px auto;
    background-color: #90e0ef;
    padding: 20px 20px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
}

.container p {
    font-size: 20px;
    font-weight: bold;
}

.input-box {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin: 10px 0;
}

.input-box .input-unit {
    width: 60%;
    display: flex;
}

.input-box input {
    background: rgb(241, 233, 233);
    padding: 5px;
    border-radius: 5px;
    border: 1.5px solid #01204E;
    margin-right: 5px;
    outline: none;
}

button {
    width: 30%;
    margin: 20px auto 10px;
    padding: 8px;
    border-radius: 25px;
    outline: none;
    border: none;
    background-color: #01204E;
    color: #ffffff;
}

.active {
    cursor: not-allowed;
    opacity: 0.5;
}

a:link {
    color: #90e0ef;
    background-color: transparent;
    text-decoration: none;
}

a:visited {
    color: white;
    background-color: transparent;
    text-decoration: none;
}

a:hover {
    color: blue;
    background-color: transparent;
    text-decoration: underline;
}