style.css

html {
    height: 100%;
}

body {
    height: 100%;
    margin: 0;
    font-family: 'Roboto';
}
.page {
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.page-body {
    margin-top: 20px;
    display: flex;
    flex-flow: row wrap;
    align-items: flex-start;
    justify-content: space-around;
    flex: 1 0 auto;
}

.page-header a {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-family: 'Roboto';
    color: black;
}
.page-logo img{
    width: 30px;
    height: 30px;
    margin-right: 5px;
}

.page-header {
    display: flex;
    flex-flow: row ;
    align-items: center;
    padding: 1em;
    background-color: rgba(93, 103, 94, 0.29);
    max-width: 100%;
    justify-content: space-between;
}


.page-footer {
   padding-top: 1em;
   text-align: center;
   width: 100%;
}


.header-section {
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 5px 15px;
}

.search-box {
    margin-left: 30px;
}

.search-box input {
    width: 160px;
    font-size: 1em;
    border: 1px solid #eeeeee;
    border-radius: 5px;
}
.video-player {
    margin-left: 1%;
    width: 100%;
    max-width: 560px;
}
.video-list-container {
    min-width: 50%;
    margin-left: 1%;
}

.video-list {
    display: flex;
    flex-flow: column wrap;
    align-items: flex-start;
}

.video-row {
    width: 100%;
    margin-bottom: 3px;
}

.tag-list #title {
    font-weight: bold;
    margin-right: 2px;
}
.speaker-list #title {
    font-weight: bold;
    margin-right: 2px;
}
.speaker-list {
    display: flex;
    align-items: flex-start;
    flex-flow: row wrap;
}
.video-row#selected {
    font-weight: bold;
}
.video-row:hover {
   cursor: pointer; 
   border-bottom: 1px solid #eeeeee;
}

.videowrapper {
    float: none;
    clear: both;
    width: 100%;
    position: relative;
    padding-bottom: 56.25%;
    padding-top: 25px;
    height: 0;
    margin-bottom: 5px;
}

.tag, .speaker {
    cursor: pointer;
}
.video-selection {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
}
.video-selection h3 {
    margin-bottom: 0;
}
.video-selection, .video-player h3 {
    margin-bottom: 2em;
}

.videowrapper iframe {
    border: 1px solid #eeeeee;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}