.view {
    background: url("../img/banner.jpg") no-repeat center center;
    background-size: cover;
    filter: blur(10px);
}

.navbar {
    background-color: transparent;
}

.top-nav-collapse {
    background-color: #4285F4;
}

@media only screen and (max-width: 768px) {
    .navbar {
        background-color: #4285F4;
    }
    .view {
        background: url("../img/banner.jpg") no-repeat center center;
        background-size: cover;
        background-attachment:fixed;
    }
}

html,
body,
header,
.view {
  height: 100vh;
}
body{
    background: url("../img/banner.jpg") no-repeat center center;
    background-size: cover;
}
#logo{
    display: flex;
    justify-content: center;
    align-items: center;
}