style.css

.player {
    background: #000;
    margin: 0 auto;
    max-width: 640px;
    overflow: hidden;
    width: 95%;
}

.player button {
    background-color: #004080;
    border: none;
    color: #D3D3D3;
    float: left;
    font-size: 100%;
    height: 1.75em;
    margin: 0;
    overflow: hidden;
    padding: 0;
    white-space: nowrap;
    width: 15%;
}

.player button:hover,
.player input:hover {
    background-color: #00509F;
    color: #fff;
    cursor: pointer;
}

.player input {
   
    background-color: #004080;
    border: none;
    color: #D3D3D3;
    float: left;
    height: 1.5em;
    margin: 0;
    padding: 0;
    width: 40%;
}

.player input[type=range]::-ms-track {
    background: transparent;
    border-color: transparent;
    color: transparent;
    cursor: pointer;
    width: 100%;
}

.player input[type=range]::-webkit-slider-thumb {
    
    -webkit-appearance: none;
    background: #00509F;
    border: 1px solid #D3D3D3;
    box-sizing: border-box;
    height: 1.5em;
    width: 1em;
}

.player video {
    background: #000;
    border: 1px solid #000;
    box-sizing: border-box;
    height: 100%;
    margin: 10% auto;
    max-width: 640px;
    width: 100%;
}



.signup span {
    margin-left: .2em;
    width: 20%;
}

.thumbs {
    background-color: darkgrey;
    border: 1px solid #000;
    box-sizing: border-box;
    overflow: hidden;
    width: 100%;
}

.thumbs img {
    height: 100%;
    margin: 2%;
    max-width: 128px;
    width: 20%;
}

.thumbs img:hover {
    border: 1px solid #FFF;
    cursor: pointer;
}


img {
    border: 1px solid #000;
    box-sizing: border-box;
}