@import url('https://fonts.googleapis.com/css2?family=Ubuntu:wght@300&display=swap');

* {
    font-family: 'Ubuntu', sans-serif;
    box-sizing: border-box;
}

body {
    background-color: #212122;
    font-family: Helvetica, sans-serif;
}

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

.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background-color: white;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
    border-radius: 25%;
    z-index: -1;
}

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

/* The circles on the timeline */
.container::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    right: -17px;
    background-color: white;
    border: 4px solid black;
    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 */
.content {
    padding: 20px 30px;
    background-color: white;
    position: relative;
    border-radius: 6px;
}
.content img{
    border: 1px solid gray;
}
section {
    height: 100vh;
    width: 100%;
}
.container-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background-color: #212122;
    color: whitesmoke;
}
.container-center2 {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: top;
    width: 100%;
    height: 100%;
    background-color: #212122;
    color: whitesmoke;
}
.row {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.ml1 {
    font-weight: 900;
    font-size: 3.5em;
    margin: 0;
}

.ml1 .letter {
    display: inline-block;
    line-height: 1em;
}

.ml1 .text-wrapper {
    position: relative;
    display: inline-block;
    padding-top: 0.1em;
    padding-right: 0.05em;
    padding-bottom: 0.15em;
}
.test {
    transition: 0.45s;
}

.mob {
    display: none;
}

.ml1 .line1 {
    top: 0;
}

.ml1 .line2 {
    bottom: 0;
}

.btn {
    /* put at bottom of card */
    bottom: 0%;
    width: 100%;
    left: 0;
    border-radius: 5%;
}

.head-img {
    width: 200px;
    border-radius: 100%;
    transition-duration: 0.45s;
    border: 2px white dotted;
}

.head-img:hover {
    transform: scale(1.05);
    transition-duration: 0.45s;
}

img {
    width: 60px;
    background-color: whitesmoke;
    border-radius: 100%;
}
.one-of-two {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 50%;
    height: 50%;
    color: whitesmoke;
}
.collapsible {
    background-color: gainsboro;
    color: white;
    cursor: pointer;
    padding: 18px;
    width: 50%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 15px;
    color: #212122;
    transition: 0.45s;    
}

.active,
.collapsible:hover {
    background-color: lightgray;
    transition: 0.45s;
}

.content1 {
    padding: 3px 18px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
    background-color: #f1f1f1;
    color: #212122;
    width: 50%;
    border-bottom-left-radius: 25px;
    border-bottom-right-radius: 25px;
    font-size: 12px;
}
.img-zooming{
    padding: 10px;
    width: 500px;
    -webkit-box-shadow:0px 0px 15px 0px rgba(255,255,255,0.9);
-moz-box-shadow: 0px 0px 15px 0px rgba(255,255,255,0.9);
box-shadow: 0px 0px 15px 0px rgba(255,255,255,0.9);
}
.mobile-vh{
    height: 175vh;
}
/* 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 */
    .container {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    /* Make sure that all arrows are pointing leftwards */
    .container::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%;
    }
    .row{
        flex-direction: column;
        height: 100%;
    }
    .one-of-two{
        width: 100%;
        margin-bottom: 20%;
    }
    #one{
        display: none;
    }
    .head-img{
        width: 200px;
        height: 200px;
    }
    .mobile-vh{
        height: 130vh;
    }
    .one-of-three{
        width: 100% !important;
        margin-bottom: 20%;
        margin-right: 0%;
        margin-left: 0%;
    }
    .down-two{
        height: 130vh;
    }
    footer{
        display: none;
    }
    .ssft{
        width: 200%;
    }
    #courses{
        display: none;
    }
}
 footer{
    text-align: center;
    color: #f1f1f1;
    background-color: #212122;
    width: 100%;
 }
 .one-of-three{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 25%;
    height: 70%;
    color: whitesmoke;
    text-align: center;
    margin-left: 2%;
    margin-right: 2%;
    margin-top: 3%;
    margin-bottom: 3%;
    border: 1px solid #f1f1f1;
    padding: 4%;
    border-radius: 5%;
 }