.content-call {
    /* background-size: 700px 420px; */
    background: #f4f4f4;
}
#content-call-5{
    background: #f4f4f4;
}
.navbar-default .navbar-nav > li > a {
    color: blue;
}
.navbar-default .navbar-nav > li > a:hover {
    color:#fff;
}
.content-1{
    width: 100%;
    height: 1000px;
    background:#fff;
    margin-top:60px;
    text-align: center;
    position: relative;

}
.btn1{
    position: absolute;
    bottom: 5%;
    left:50%;
    width:50px;
    height: 50px;
    border-radius: 20px;
}