.nav img{
    vertical-align: text-bottom;
}
.roll-right.btn-group button.btn-blue,
.roll-right.btn-group button.btn-green,
.btn-blue,
.btn-green{
    color: #fff;
    height: 32px;
    line-height: 32px;
    margin: 4px 20px;
    border-radius: 3px;
    border: none;
}
.roll-right.btn-group button.btn-blue,
.btn-blue{
    background-color: #14b4e6;
}
.roll-right.btn-group button.btn-green,
.btn-green{
    background-color: #1cc9b5;
}
iframe{
    border: 1px solid #e1e1e1;
    background-color: #fff;
}