main.css

video, canvas#test {
  display: none;
}

.btn-primary {
	    background-image: -webkit-linear-gradient(top, #337ab7 0, #265a88 100%);
    background-image: -o-linear-gradient(top, #337ab7 0, #265a88 100%);
    background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #337ab7), to(#265a88));
    background-image: linear-gradient(to bottom, #337ab7 0, #265a88 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff337ab7', endColorstr='#ff265a88', GradientType=0);
    filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
    background-repeat: repeat-x;
    border-color: #245580;
}

.btn-primary {
	    color: #fff;
    background-color: #337ab7;
    border-color: #2e6da4;
}

.btn {
	    display: inline-block;
    margin-bottom: 0;
    font-weight: normal;
    text-align: center;
    vertical-align: middle;
    -ms-touch-action: manipulation;
    touch-action: manipulation;
    cursor: pointer;
    background-image: none;
    border: 1px solid transparent;
    white-space: nowrap;
    padding: 6px 12px;
    font-size: 14px;
    line-height: 1.42857143;
    border-radius: 4px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}