* {
  box-sizing: border-box;
}
a {
    color: #af8e4d;
}
body {
    margin: 0;
    padding: 0;
    font-family: 'Lato', sans-serif;
    font-size: 16px;
    color: #d8d8d8;
    background: url('../images/background.jpg');
    -webkit-font-smoothing: antialiased;
}
@font-face {
    font-family: 'Boston';
    src: url('boston.ttf');
}
.iframe-container {
    overflow: hidden;
    padding-top: 56.25%;
    position: relative;
}
.iframe-container iframe {
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.embed {
    width: 560px;
    margin: 0 auto;
}

/*       Header       */
header {
    color: #d8d8d8;
    margin-bottom: 100px;
}
header .background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 600px;
    opacity: 0.80;
    background: url('../images/header.jpg');
    background-position: center;
    z-index: -1000;
    background-size: cover;
    -webkit-mask-image: linear-gradient(to top, rgba(255,255,255,0), rgba(255,255,255,1));
}
header .logo {
    margin-top: 50px;
    text-align: center;
}
header .logo img {
    width: 90%;
    max-width: 600px;
}
header .title {
    margin-top: 120px;
    margin-bottom: 50px;
    font-size: 27px;
    text-align: center;
    color: #ffffff;
}

/*       Button       */
.button {
    text-align: center;
    margin: 0 auto;
    margin-top: 50px;
    margin-bottom: 50px;
    display: block;
    text-decoration: none;
    color: #ffffff;
    font-size: 20px;
    border: 3px solid #ffffff;
    padding: 5px;
    width: 200px;
    transition: box-shadow 0.25s;
}
.button:hover,
.button:focus {
    color: #0E0E0E;
    box-shadow: inset 210px 0 0 0 #ffffff;
}

/*       Content       */
.section {
    margin-top: 100px;
}
.section.first {
    margin-top: 200px;
}
.section > .title {
    color: #d8d8d8;
    font-family: 'Boston';
    font-size: 60px;
    text-align: center;
}
.section > .title:after {
    display: block;
    content: "";
    width: 100px;
    height: 4px;
    background-color: #e5b962;
    opacity: 0.75;
    margin: 10px auto;
}
.section > .content {
    max-width: 1080px;
    width: 90%;
    margin: 0 auto;
}
.bold {
    font-weight: 900;
}
.center {
    text-align: center;
}
.center-margin {
    text-align: center;
    margin-top: 50px;
}
.row {
    display: flex;
}
.row-column {
    width: 50%;
    padding: 20px;
}
.row-column.row-middle {
    align-self: center;
}
.row-column > .title {
    color: #d8d8d8;
    font-family: 'Boston';
    font-size: 28px;
    text-align: center;
    margin-top: 20px;
}
.row-column > .title:after {
    display: block;
    content: "";
    width: 80px;
    height: 2px;
    background-color: #e5b962;
    opacity: 0.75;
    margin: 0 auto;
}
.row-img {
    max-width:100%;
    border:1px solid #af8e4d;
}

/*       Speakers       */
.speakers {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: 0 -30px 0 -30px;
}
.speaker {
    text-align: center;
    display: flex;
    flex-direction: column;
    width: 160px;
    margin: 30px 30px;
}
.speaker img {
    width: 144px;
    height: 144px;
    border: 3px solid #af8e4d;
    align-self: center;
}
.speaker .name {
    font-weight: 900;
    margin-top: 5px;
}

/*       Syllabus Item       */
.day-title {
    display: inline-block;
    font-size: 24px;
    padding-bottom: 5px;
    border-bottom: 2px solid #af8e4d;
    margin: 30px 0 30px 0;
    font-weight: 700;
}
.day {
    display: table;
    width: 100%;
}
.day-item {
    display: table-row;
}
.day-item > .timeslot {
    display: table-cell;
    width: 200px;
    padding-top: 30px;
}
.day .day-item:first-child > .timeslot {
    padding-top: 0px;
}
.day-item > .timeslot .divider {
    display: inline-block;
    content: "";
    width: 5px;
    height: 2px;
    background-color: #d8d8d8;
    opacity: 0.75;
    margin: 5px 3px;
}
.day-item > .content {
    display: table-cell;
}
.day-item > .content > .title {
    font-weight: 900;
}
.day-item > .content > .by span {
    color: #af8e4d;
}
.day-item > .content > .description {
    margin-top: 10px;
}

/*      Social          */
.cruise-img {
    width: 200px;
    border: 1px solid #af8e4d;
    margin: 15px;
}
.hotel {
    margin-top: 25px;
}

/*      Transport       */
.map {
    margin: 30px 0;
    text-align: center;
}
.map iframe {
    width: 560px;
    height: 560px;
}

/*       Sponsors       */
.sponsors {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: 0 -35px 0 -35px;
}
.sponsor {
    text-align: center;
    display: flex;
    flex-direction: column;
    margin: 35px;
    justify-content: center;
}
.sponsor img {
    max-width: 250px;
    display: inline-flex;
}

/*       Contact       */
.contact {
    margin-top: 50px;
}

.divider {
    border: 0;
    border-top: 1px solid #e5b962;
    opacity: 0.75;
}

/*       Footer       */
footer {
    margin-top: 100px;
    margin-bottom: 25px;
    text-align: center;
    font-size: 75%;
}

@media only screen and (max-width: 1400px) {
    .section.first {
        margin-top: 100px;
    }
}

@media only screen and (max-width: 950px) {
    .row.block {
        display: block;
    }
    .row-column {
        width: 100%;
    }
    .row-img {
        width: 100%;
    }

    .day-item > .timeslot {
        width: 175px;
    }
}

@media only screen and (max-width: 750px) {
    .embed {
        max-width: 100%;
    }
    .address {
        font-size: 20px;
    }
    .speakers {
        margin: 0 -20px 0 -20px;
    }
    .speaker {
        margin: 10px;
    }
    .day-item > .timeslot {
        width: 100px;
    }
    .day-item > .timeslot .divider {
        display: block;
        content: "";
        width: 50px;
        height: 1px;
        opacity: 0.75;
        margin: 10px 0;
    }
    .map iframe {
        width: 100%;
    }
    .sponsors {
        margin: 0 -20px 0 -20px;
    }
}