#header {
    display: block;
    position: relative;
    width: 100%;
    height: 12.5vh;
    background-color: rgb(237,237,237);
    font-family: 'Gill Sans MT', sans-serif;
    font-size: 1.6vw;
}
#header img {
    height: 11vh;
    margin-top: 1vh;
}
#header span {
    height: 13vh;
    font-weight: bold;
    text-align: center;

}
#header div {
    display: block;
    float: left;
    margin:0px;
    padding:0px;
}
#app_title {
    display: block;
    position: relative;
    width: 100%;
    height: 4vh;
    font-size: 2.5vh;
    font-weight: bold;
     padding-top: 0.6vh; 
    text-align: center;
}
#footer {
    display: block;
    position: fixed;
    width: 100%;
    height: 3vh;
    background-color: #25b8cd;
    color: white;
    font-size: 1.6vh;
    text-align: center;
    bottom: 0;
}
.ol-control button{
    background-color: #25b8cd;
}
.ol-control button:focus, .ol-control button:hover{
    background-color: #25b8cd;
}