styles.css

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    font-family: 'Noto Sans TC', sans-serif;
    font-size: 16px;
    line-height: 22px;
    font-weight: 300;
    position: relative;
}

.sidebar {
    width: 280px;
    height: 160%;
    padding: 40px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    background: #FFFFFF;
    border-radius: 0 10px 10px 0;
    box-shadow: 4px 0 8px 0 rgba(0, 0, 0, 0.2);
    /* animation-name: sidebarMove;
    animation-duration: 1s; */
}

.top {
    justify-content: flex-start;
}

.middle {
    justify-content: center
}

.bottom {
    justify-content: flex-end;
}


.logo {
    background: url(assets/logo.svg);
    background-position: center center;
    background-repeat: no-repeat;
    height: 90px;
    /* width: 100%; */
}

.howto {
    margin: 0 0 40px 0;
    color: #646978;
}

.legend {
    margin: 0;
    padding: 0;
    margin-bottom: 88px;
}

.legend li {
    list-style: none;
    color: #636876;
    padding-left: 24px;
}

.legend li h3 {
    font-size: 16px;
    font-weight: 400;
    color: #646978;
    margin: 20px 0 0 0;
    /* text-transform: uppercase;
    letter-spacing: 2px; */
    position: relative;
}

.legend h3::before {
    content: "•";
    font-size: 80px;
    position: absolute;
    left: -58px;
    top: -1px;
  }

.legend .item1 h3::before {
    color: #3a7bbf;
}

.legend .item2 h3::before {
    color: #99e0dc;
}

.legend .item3 h3::before {
    color: #ae65d5;
}

.legend li p {
    font-size: 14px;
    font-weight: 300;
    margin: 0;
}

.credits, .credits a {
    font-size: 14px;
    line-height: 16px;
    text-transform: none;
    color: #636876;
    margin-bottom: -16px;
    text-decoration: none;
}

.credits a:hover {
    color: #ec4667;
}

#photo, #photobg {
    background-color: #e5e8ef;
    position: fixed;
    z-index: 3;
    top: 20px;
    right: 20px;
    height: 200px;
    width: 300px;
    border-radius: 10px;
    opacity: 1;
}

#photo {
    background: url(assets/photos/sample.png);
    background-repeat: no-repeat;
    background-size: cover;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.45);
    overflow: hidden;
    z-index: 4;
}

#photo.hidden, #photobg.hidden {
    opacity: 0;
    transition: all 0.3s;
}

#label {
    color: white;
    background: rgba(0, 0, 0, 0.6);
    margin: 0;
    padding: 12px 16px 24px;
    font-weight: 400;
    text-shadow: 0 2px 4px #00000060;

    /* Permalink - use to edit and share this gradient: http://colorzilla.com/gradient-editor/#000000+0,000000+100&0.6+0,0+100 */
    background: -moz-linear-gradient(top, hsla(0, 0%, 0%, 0.8) 0%, hsla(0, 0%, 0%, 0) 100%);
    /* FF3.6-15 */
    background: -webkit-linear-gradient(top, hsla(0, 0%, 0%, 0.8) 0%, hsla(0, 0%, 0%, 0) 100%);
    /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient(to bottom, hsla(0, 0%, 0%, 0.8) 0%, hsla(0, 0%, 0%, 0) 100%);
    /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#99000000', endColorstr='#00000000', GradientType=0);
    /* IE6-9 */
}

#mapid {
    width: 100%;
    height: 160%;
    z-index: 1;
}

.leaflet-top {
    right: 0;
}

/* @keyframes sidebarMove {
    0%   {left:-280px;}
    100% {left:0px;}
  } */