.myvideo {
    width: 80%;
    margin-left: 10%;
    float: left;
}

.previewcontainer {
    margin-left: 10%;
    width: 80%;
    margin-right: 10%;
}

.videopreview {
    height: 300px;
    width: 30%;
    float: left;
    margin: 1%;
    background-color: #7F7F7F;
    cursor: pointer;
    opacity: 0.9;
    border: 10px;
    border-radius: 20px;
}

.videopreview:hover {
    opacity: 1;
    transition: opacity 0.5s;
}

.previewtitle {
    height: 10%;
    color: white;
    text-align: center;
}

.previewpic {
    height: 80%;
}

.hideit {
    display: none;
}

.closebutton {
    color: white;
    height: 35px;
    width: 90px;
    margin-right: 80px;
    float: right;
    background-color: #FF0000;
    cursor: pointer;
}