style.css

body, html {
    height: 100%;
    margin: 0;
    font: 400 15px/1.8 "Lato", sans-serif;
    color: #000000;
}

.bgimg-1 {
    background-image: url("1978935.jpg");
    min-height: 100%;
}

.bgimg-2 {
    background-image: url("4327781.jpg");
    min-height: 400px;
}

.bgimg-3 {
    background-image: url("5836641.jpg");
    min-height: 400px;
}
.bgimg-1, .bgimg-2, .bgimg-3 {
    position: relative;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;

}
.caption {
    position: absolute;
    left: 0;
    top: 40%;
    width: 100%;
    text-align: center;
    color: #000;
}

.caption span.border {
    background-color: #000 !important;
    color: #fff;
    padding: 18px;
    font-size: 30px;
    letter-spacing: 10px;
}

h3 {
    letter-spacing: 5px;
    text-transform: uppercase;
    font: 20px "Lato", sans-serif;
    color: #000000;
}
h3{
    text-align:center;
    font:30px "Lato" , sans-serif;
}
.systemdiagram{
    justify-content: center;
    text-align: center;
}
/* Turn off parallax scrolling for tablets and phones */
@media only screen and (max-device-width: 1024px) {
    .bgimg-1, .bgimg-2, .bgimg-3 {
        background-attachment: scroll;
    }
}

html {
    box-sizing: border-box;
}

*, *:before, *:after {
    box-sizing: inherit;
}

.column {
    float: left;
    width: 33.3%;
    margin-bottom: 16px;
    padding: 0 8px;
}

.card {
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    margin: 8px;
}

.about-section {
    padding: 50px;
    text-align: center;
    background-color: #474e5d;
    color: white;
}

.container {
    padding: 0 16px;
}

.container::after, .row::after {
    content: "";
    clear: both;
    display: table;
}

.title {
    color: grey;
}

.button {
    border: none;
    outline: 0;
    display: inline-block;
    padding: 8px;
    color: white;
    background-color: #000;
    text-align: center;
    cursor: pointer;
    width: 100%;
}

.button:hover {
    background-color: #555;
}

@media screen and (max-width: 650px) {
    .column {
        width: 100%;
        display: block;
    }
}

/*time line*/

.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

/* The actual timeline (the vertical ruler) */
.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background-color: white;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
}

/* Container around content */
.tcontainer {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}

/* The circles on the timeline */
.tcontainer::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    right: -17px;
    background-color: white;
    border: 4px solid #FF9F55;
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

/* Place the container to the left */
.left {
    left: 0;
}

/* Place the container to the right */
.right {
    left: 50%;
}

/* Add arrows to the left container (pointing right) */
.left::before {
    content: " ";
    height: 0;
    position: absolute;
    top: 22px;
    width: 0;
    z-index: 1;
    right: 30px;
    border: medium solid white;
    border-width: 10px 0 10px 10px;
    border-color: transparent transparent transparent white;
}

/* Add arrows to the right container (pointing left) */
.right::before {
    content: " ";
    height: 0;
    position: absolute;
    top: 22px;
    width: 0;
    z-index: 1;
    left: 30px;
    border: medium solid white;
    border-width: 10px 10px 10px 0;
    border-color: transparent white transparent transparent;
}

/* Fix the circle for containers on the right side */
.right::after {
    left: -16px;
}

/* The actual content */
.tcontent {
    padding: 20px 30px;
    background-color: white;
    position: relative;
    border-radius: 6px;
}

/* Media queries - Responsive timeline on screens less than 600px wide */
@media screen and (max-width: 600px) {
    /* Place the timelime to the left */
    .timeline::after {
        left: 31px;
    }

    /* Full-width containers */
    .tcontainer {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    /* Make sure that all arrows are pointing leftwards */
    .tcontainer::before {
        left: 60px;
        border: medium solid white;
        border-width: 10px 10px 10px 0;
        border-color: transparent white transparent transparent;
    }

    /* Make sure all circles are at the same spot */
    .left::after, .right::after {
        left: 15px;
    }

    /* Make all right containers behave like the left ones */
    .right {
        left: 0%;
    }
}
.quote{
    font-size: 30px;
    background: black;
    color: white;
    width: 80%;

}