#container {
    margin: 40px 80px;
    width: 500px;
}

.box-contain {
    padding: 20px;
}

#card-element {
    border-radius: 4px 4px 0 0;
    padding: 12px;
    border: 1px solid rgba(50, 50, 93, 0.1);
    margin-bottom: 10px;
    width: 100%;
    background: white;
}

.hidden {
    display: none;
}

.result-message {
    line-height: 22px;
    font-size: 16px;
}

#card-error {
    color: rgb(105, 115, 134);
    text-align: left;
    font-size: 13px;
    line-height: 17px;
    margin-top: 12px;
}

.spinner, .spinner:before, .spinner:after {
    border-radius: 50%;
}

.spinner {
    color: #ffffff;
    font-size: 22px;
    text-indent: -99999px;
    margin: 0px auto;
    position: relative;
    width: 20px;
    height: 20px;
    box-shadow: inset 0 0 0 2px;
    -webkit-transform: translateZ(0);
    -ms-transform: translateZ(0);
    transform: translateZ(0);
}

.spinner:before, .spinner:after {
    position: absolute;
    content: "";
}

.spinner:before {
    width: 10.4px;
    height: 20.4px;
    background: #5469d4;
    border-radius: 20.4px 0 0 20.4px;
    top: -0.2px;
    left: -0.2px;
    -webkit-transform-origin: 10.4px 10.2px;
    transform-origin: 10.4px 10.2px;
    -webkit-animation: loading 2s infinite ease 1.5s;
    animation: loading 2s infinite ease 1.5s;
}

.spinner:after {
    width: 10.4px;
    height: 10.2px;
    background: #5469d4;
    border-radius: 0 10.2px 10.2px 0;
    top: -0.1px;
    left: 10.2px;
    -webkit-transform-origin: 0px 10.2px;
    transform-origin: 0px 10.2px;
    -webkit-animation: loading 2s infinite ease;
    animation: loading 2s infinite ease;
}

#btnSubmit {
    border-radius: 3px;
    padding: 10px;
    text-decoration: none;
    margin-bottom: 10px;
    cursor: pointer;
    background: -webkit-linear-gradient(top, #99dfd2, #2bbda3);
    border: 1px solid #31a08c;
    box-shadow: inset 0px 1px 0px rgb(211, 255, 247), 0px 1px 4px
        rgba(199, 199, 199, 0.9);
}

#btnSubmit:hover {
    box-shadow: inset 0px 1px 0px rgba(255, 255, 255, 1), 0px 1px 3px
        rgba(152, 152, 152, 0.9);
}

@media only screen and (max-width: 600px) {
    #container {
        margin: 0px;
        width: 80vw;
    }
}