body {
    margin: 50px auto;
    font-family: "Inter", sans-serif;
    max-width: 700px;
}

input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

::placeholder {
    color: white;
}

#hero {
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0px;
    background-color:#10B981;
    padding: 20px;
    color: white;
}

#hero h1 {
    margin: 10px;
}

#output {
    margin: 0px;
    padding: 20px;
    background-color:#109166;
    color: white;
}

#inputNum {
    color: white;
    background-color: #096144;
    border: 1px solid white;
    text-align: center;
    max-width: 500px;
    font-size: 50px;
    margin: 10px;
    border: 1px solid white;
    border-radius: 8px;
}

#inputNum:focus {
    outline: none;
}

.container {
    margin: 10px;
    background-color: #096144;
    text-align: center;
    padding: 10px;
    border-radius: 8px;
}

h3 {
    color: white;
}

#convert {
    color: black;
    background-color: white;
    border: none;
    padding: 10px 20px;
    margin: 10px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 800;
}

#back-btn {
    background-color: #096144;
    border: 2px solid #10B981;
    border-radius: 4px;
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    margin: 10px auto;
    width: 300px;
    height: 40px;
    text-align: center;
    padding-top: 10px;
    display: block;
}