body {
    background: url('../Images/slider-hardware-tisa.jpg') no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

div.well {
    height: 250px;
}

.Absolute-Center {
    margin: auto;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}

.Absolute-Center.is-Responsive {
    width: 50%;
    height: 50%;
    min-width: 200px;
    max-width: 400px;
    padding: 40px;
}

#logo-container {
    margin: auto;
    margin-bottom: 10px;
    text-align: center;
    width: 250px;
}

.bd-callout {
    padding: .25rem;
    margin-bottom: 1rem;
    border: 1px solid #eee;
    border-left-width: .25rem;
    border-radius: .25rem;
}

.bd-callout-danger {
    border-left-color: #d9534f;
}