.pin-wrapper {
    margin-top: 10px;
}

.pin-wrapper .alert {
    -webkit-transition: max-height 2s;
    -moz-transition: max-height 2s;
    -ms-transition: max-height 2s;
    -o-transition: max-height 2s;
    transition: max-height 2s;
    max-height: 200px;
}

.pin-wrapper .alert.animate {
    max-height: 0;
}

.pin-wrapper .alert.animate.hidden {
    display: none;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

footer {
    margin-top: auto;
}

#pin_form {
    width: 98vw;
    margin: 0 auto;
}

.footer-list {
    background: #7c69ef;
    margin: 0;
    padding: 10px;
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: center;
}

.footer-list li {
    display: inline-flex;
}

.footer-list li a {
    color: white;
    margin: 10px;
}

.submit-wrapper {
    display: flex;
    flex-direction: column;
}

.loader {
    border: 6px solid #f3f3f3;
    border-radius: 50%;
    border-top: 6px solid #3498db;
    width: 30px;
    height: 30px;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite;
    position: absolute;
    margin-left: 30px;
    margin-top: 4px;
}

/* Safari */
@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
    }
}

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