html,body,#wrapper {
    height:100%;
    margin:0;
    padding:0;
    overflow: hidden;
}
#wrapper {
    position:relative;
}

#top, #map {
    position:absolute;
}

#top {
    height:75px;
    width:100%;
    background:grey;
    text-align: center;
    line-height: 75px;
}

#map {
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: #f5f5f5;
    padding: 50px 100px;
    display: flex;
}

#top span {
    color: #f5f5f5;
    font-family: Calibri, serif;
}

#title {
    font-size: 45px;
}

#time {
    position: absolute;
    right: 15px;
    font-size: 25px;
}

@media (max-width: 790px) {
    #time {
        display: none;
    }
}

@media (max-height: 300px) {
    #top {
        display: none;
    }
}