html {
    font-size: 14px;
    height: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

html {
  position: relative;
  min-height: 100%;
}

body {
    margin-bottom: 60px;
    min-height: 100%;
}

.link-style {
    background: none !important;
    border: none;
    padding: 0 !important;
    /*optional*/
    font-family: arial, sans-serif;
    /*input has OS specific font-family*/
    color: #069;
    text-decoration: underline;
    cursor: pointer;
}

.menu-container {
    margin: auto;
    background-color: #EEEEEE;
}

/* Spinner */
.loading {
    position: fixed;
    z-index: 999;
    /*overflow: show;*/
    margin: auto;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 100px;
    height: 100px;
}

/* Transparent Overlay */
.loading:before {
    content: '';
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255,255,255,0.5);
}

/* :not(:required) hides these rules from IE9 and below */
.loading:not(:required) {
    /* hide "loading..." text */
    font: 0/0 a;
    color: transparent;
    text-shadow: none;
    background-color: transparent;
    border: 0;
}

.loading:not(:required):after {
    content: '';
    display: block;
    font-size: 10px;
    width: 100px;
    height: 100px;
    margin-top: -0.5em;
    border: 15px solid rgba(33, 150, 243, 1.0);
    border-radius: 100%;
    border-bottom-color: transparent;
    -webkit-animation: spinner 1s linear 0s infinite;
    animation: spinner 1s linear 0s infinite;
}

.spinner-color {
    color: aqua;
}

/* Animation */

@-webkit-keyframes spinner {
    0% {
        -webkit-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    100% {
        -webkit-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@-moz-keyframes spinner {
    0% {
        -webkit-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    100% {
        -webkit-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@-o-keyframes spinner {
    0% {
        -webkit-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    100% {
        -webkit-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@keyframes spinner {
    0% {
        -webkit-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    100% {
        -webkit-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: all;
}

    .overlay.hidden {
        display: none;
    }

.overlay-content {
    background: white;
    padding: 30px 40px;
    border-radius: 8px;
    text-align: center;
    min-width: 280px;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 4px solid #ddd;
    border-top-color: #333;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 15px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}