h1, h2, h3, h4 {
    font-weight: bolder;
    color: darkcyan;
}

.center {
    margin-left: auto;
    margin-right: auto;
    display: block;
    top: 50%;
}

.fixedBottom {
    position: fixed;
    text-align: center;
    bottom: 10px;
    width: 100%;
}

.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

/* ----- New Preloader ----- */

#loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}

#loader {
    width: 200px;
    height: 200px;
    margin: -100px 0 0 -100px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #3498db;
    -webkit-animation: spin 2s linear infinite;
    /* Chrome, Opera 15+, Safari 5+ */
    animation: spin 2s linear infinite;
    /* Chrome, Firefox 16+, IE 10+, Opera */
}

#loader:before {
    content: "";
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #e74c3c;
    -webkit-animation: spin 3s linear infinite;
    /* Chrome, Opera 15+, Safari 5+ */
    animation: spin 3s linear infinite;
    /* Chrome, Firefox 16+, IE 10+, Opera */
}

#loader:after {
    content: "";
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #f9c922;
    -webkit-animation: spin 1.5s linear infinite;
    /* Chrome, Opera 15+, Safari 5+ */
    animation: spin 1.5s linear infinite;
    /* Chrome, Firefox 16+, IE 10+, Opera */
}

@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
        /* Chrome, Opera 15+, Safari 3.1+ */
        -ms-transform: rotate(0deg);
        /* IE 9 */
        transform: rotate(0deg);
        /* Firefox 16+, IE 10+, Opera */
    }
    100% {
        -webkit-transform: rotate(360deg);
        /* Chrome, Opera 15+, Safari 3.1+ */
        -ms-transform: rotate(360deg);
        /* IE 9 */
        transform: rotate(360deg);
        /* Firefox 16+, IE 10+, Opera */
    }
}

@keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
        /* Chrome, Opera 15+, Safari 3.1+ */
        -ms-transform: rotate(0deg);
        /* IE 9 */
        transform: rotate(0deg);
        /* Firefox 16+, IE 10+, Opera */
    }
    100% {
        -webkit-transform: rotate(360deg);
        /* Chrome, Opera 15+, Safari 3.1+ */
        -ms-transform: rotate(360deg);
        /* IE 9 */
        transform: rotate(360deg);
        /* Firefox 16+, IE 10+, Opera */
    }
}