body
{
    font-family:Arial;
    color:#444;
}

h1
{
    font-size:1.5em;
}

.container-fluid
{
    position: absolute;
    top: 50%;
    left: 50%;
    
    width: 100%;
    min-width: 300px;
    
    transform: translate(-50%,-50%);
    
    margin: 0 auto;
    padding: 20px 0;
    
    text-align: center;
    
    background: #fff;
    
    -webkit-box-shadow: 0px 0px 6px -1px rgba(50, 50, 50, 0.75);
    -moz-box-shadow:    0px 0px 6px -1px rgba(50, 50, 50, 0.75);
    box-shadow:         0px 0px 6px -1px rgba(50, 50, 50, 0.75);
}