lightningtip/frontend/lightningTip.css

.lightningTipInput {
    width: 100%;

    display: inline-block;

    padding: 6px 10px;

    border: none;
    border-radius: 4px;

    font-size: 15px;

    color: #212121;

    background-color: #F5F5F5;

    outline: none;
    resize: none;

    overflow-y: hidden;
}

.lightningTipButton {
    padding: 0.4em 1em;

    font-size: 17px;

    color: #212121;

    background-color: #FFC83D;

    border: none;
    border-radius: 4px;

    outline: none;
    cursor: pointer;
}

#lightningTip {
    width: 12em;

    padding: 1em;

    background-color: #212121;

    border-radius: 4px;

    color: #F5F5F5;

    font-size: 20px;
    font-family: Arial, Helvetica, sans-serif;

    text-align: center;
}

#lightningTipLogo {
    margin-top: 0;
    margin-bottom: 0.6em;

    font-size: 25px;
}

#lightningTipInputs {
    margin-top: 0.8em;
}

#lightningTipMessage {
    min-height: 55px;

    font-family: Arial, Helvetica, sans-serif;

    margin-top: 0.5em;

    padding: 8px 10px;
}

#lightningTipGetInvoice {
    margin-top: 1em;
}

#lightningTipError {
    font-size: 17px;

    color: #F44336;
}

#lightningTipInvoice {
    margin-top: 0.6em;
    margin-bottom: 1em;
}

#lightningTipTools {
    height: 100px;
}

#lightningTipGetQR {
    border-right: 1px solid #F5F5F5;

    border-top-right-radius: 0;
    border-bottom-right-radius: 0;

    float: left;
}

#lightningTipOpen {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;

    float: left;
}

#lightningTipExpiry {
    padding: 0.2em 0;

    float: right;
}

#lightningTipFinished {
    margin-bottom: 0.2em;

    display: block;
}

.spinner {
    width: 12px;
    height: 12px;

    display: inline-block;

    border: 3px solid #F5F5F5;
    border-top: 3px solid #212121;
    border-radius: 50%;

    animation: spin 1.5s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}