html, body, #convert-container {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

#convert-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-image: linear-gradient(#2DABE3, #0D71B9);
    color: white;
    font-size: 24px;
}

#convert-container > button, #convert-container > a {
    padding: 10px 20px 10px 20px;
    background: linear-gradient(to right, #1B75BB, #0B4B7D);
    border-radius: 20px;
    color: white !important;
    border: none;
    text-align: center;
}

#convert-container > a:hover {
    text-decoration: none;
}

#convert-container > * {
    margin: 20px;
}

#upload-error {
    color: #d61a1a;
}

@media only screen and (max-width: 1200px) {
    #convert-container {
        font-size: 18px;
    }
}