body {
      background-image: url("image/notebook landing page background.jpg");
    }  

.btn-group-lg>.btn, .btn-lg {
    padding: 15px 70px;
    font-size: 24px;
    line-height: 1.333333;
    border-radius: 10px;
    margin-top: 40px;
    background: rgb(127,43,43); /* Old browsers */
    background: -moz-linear-gradient(top, rgba(127,43,43,1) 0%, rgba(183,56,56,1) 100%); /* FF3.6-15 */
    background: -webkit-linear-gradient(top, rgba(127,43,43,1) 0%,rgba(183,56,56,1) 100%); /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient(to bottom, rgba(127,43,43,1) 0%,rgba(183,56,56,1) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#7f2b2b', endColorstr='#b73838',GradientType=0 ); /* IE6-9 */
}

.row1 {
    margin-top: 30px;
}

a{
    text-decoration: none;
    color: white;
}

.btn-lg:hover {
    text-decoration: none;
    background-color: #A31111;
    box-shadow: 1px 1px 5px 3px #4F4F4F;
}

h3 {
    margin-top: 40px;
    font-size: 21px;
}