body {
    font-family: "Zen Old Mincho", serif;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

/** Bootstrap Overrides **/
.row {
    margin: 0;
}

/** Typography **/
h3 {
    margin-bottom: 1.5rem;
}

.col-auto h3 {
    font-size: 2rem;
}

@media (max-width: 768px) {
    h3 {
        font-size: 1.3rem;
        margin-bottom: 1.2rem;
    }
}

.sans-serif {
    font-family: sans-serif;
}

.weight-regular {
    font-weight: normal;
}

.weight-bold {
    font-weight: bold;
}

.weight-black {
    font-weight: 900;
}

.text-center {
    text-align: center;
}

.text-underline {
    text-decoration: underline;
}

.font-18 {
    font-size: 18px;
}

.font-20 {
    font-size: 20px;
}

/** Colors **/
.bg-gray {
    background-color: #f5f5f5;
}

.bg-sepia {
    background-color: #f5e6d8;
}

/** links **/
a img {
    transition: filter 0.3s;
}
a:hover img {
    filter: brightness(1.2);
}

/** Custom **/
.bg-maincontent {
    background: linear-gradient(to bottom, #f5e6d8, #a6c1ff);
}

.history-content {
    padding: 30px 0;
    border-left: 6px solid #fff;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    position: relative;
}

.history-content::before {
    content: "";
    position: absolute;
    top: 37px;
    left: -13px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #fff;
}

.history-content img {
    max-width: 100%;
    height: auto;
}

.history-content p {
    margin-bottom: 0.5rem;
}

.history-content p:last-child {
    margin-bottom: 0;
}

h3.year-head {
    font-size: 3rem;
    line-height: 0.6;
    margin-bottom: 2rem;
    font-weight: 900;
}

#heroSection {
    height: 100vh;
}

#gotoNextIcon {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    filter: drop-shadow(2px 2px 2px #555);
    opacity: 0.6;
}

#gotoNextIcon:hover {
    cursor: pointer;
}

@media (max-width: 768px) {
    .history-content::before {
        content: "";
        position: absolute;
        top: 33px;
        left: -13px;
        width: 20px;
        height: 20px;
        border-radius: 50%;
        background-color: #fff;
    }

    .history-content img {
        margin-bottom: 1.2rem;
    }
}

@media (max-width: 576px) {
    #heroSection {
        height: 90vh;
    }
    #gotoNextIcon {
        bottom: 10px;
    }
}