header.masthead {
    position: relative;
    background-color: #343a40;
    /*  background: url("../assets/img/bg-mar.jpg") no-repeat center center; */
    background: url("../assets/img/bg-unplush-montain.jpg") no-repeat center center fixed;
    background-size: cover;
    padding-top: 3rem;
    padding-bottom: 2.5rem;
}

header.masthead .overlay {
    position: absolute;
    background-color: #212529;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    opacity: 0.3;
}


/* Sticky Footer Classes */

html,
body {
    height: 100%;
}

#page-content {
    flex: 1 0 auto;
}

#sticky-footer {
    flex-shrink: none;
}


/* Estilos */

.list-group {
    max-height: 440px;
    overflow: scroll;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

.bg-dark-transparent {
    background: rgba(0, 0, 0, 0.6)!important;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 15px 20px;
    font-size: 16px;
}

.da-title {
    font-size: 85%;
    letter-spacing: .15em;
    text-transform: uppercase;
}

.da-navbar {
    background-color: #005E7D;
}

.main-container {
    margin-top: 20px;
}

body {
    padding-bottom: 50px;
    /* 
        background: #007bff;
        background: linear-gradient(to right, #0062E6, #33AEFF);
    */
}

.embed-container {
    width: 100%;
}

.embed-container-widget {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.embed-container-widget iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}


/* Animaciones */

.animated {
    -webkit-animation-duration: 1s;
    animation-duration: 1s;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
}

.fast {
    -webkit-animation-duration: 0.4s;
    animation-duration: 0.4s;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fadeIn {
    animation-name: fadeIn;
}


/* Loader de esperas */

.spin {
    font-size: 1em;
    margin: 0 auto;
    color: rgb(209, 222, 235);
}

.loader {
    border: 16px solid #f3f3f3;
    border-radius: 50%;
    border-top: 16px solid #3498db;
    width: 75px;
    height: 75px;
    margin: 0 auto;
    -webkit-animation: spin 2s linear infinite;
    /* Safari */
    animation: spin 2s linear infinite;
}


/* Safari */

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

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