#warning-message { 
    display: none; 
}
@media only screen and (max-width: 400px) and (orientation:portrait){
    #wrapper { display:none; }
    #warning-message { display:block; }
}
@media only screen and (orientation:landscape){
    #warning-message { display:none; }
}
.intro-title{
    text-align: center;
    width: 100%;
}

@media only screen and (min-width: 675px){
    .intro-title{
        text-align: start;
        width: 50%;
        font-size: 4.5rem;
        top: 20%;
    }
}
@media only screen and (min-width: 900px){
    .intro-title{
        text-align: start;
        width: 50%;
        font-size: 6rem;
        top: 20%;
    }
}

@media only screen and (min-width: 1250px){
    .intro-title{
        text-align: start;
        width: 50%;
        font-size: 8rem;
        top: 20%;
    }
}




.station-text{
    font-size: 6rem;
}
.city-text{
    font-size: 12rem;
    font-weight: 300;
}


.intro-text-1{
    top: 50%;
    width: 50%;
}


.intro-text-2{
    display: none;
}

@media only screen and (min-width: 800px){
    .intro-text-2{
        display: block;
        position: absolute;
        top: 70%;
        width: 50%;
    }
    .intro-text-2-copy{
        display: none;
    }
}

.intro-text-2-copy{
    margin-top: 7rem;
}


.graph-explainer{
    padding-left: 70px;
    width: 50%;
    
}

@media only screen and (max-width: 600px){
    .graph-explainer{
        font-size: smaller;
    }
}


.tooltip {
    opacity: 0;
    position: absolute;
    top: -14px;
    left: 0;
    padding: 0.6em 1em;
    background: #fff;
    text-align: center;
    line-height: 1.4em;
    font-size: 0.9em;
    border: 1px solid #ddd;
    z-index: 10;
    transition: all 0.1s ease-out;
    pointer-events: none;
}

.tooltip:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 12px;
    height: 12px;
    background: white;
    border: 1px solid #ddd;
    border-top-color: transparent;
    border-left-color: transparent;
    transform: translate(-50%, 50%) rotate(45deg);
    transform-origin: center center;
    z-index: 10;
}

.tooltip-date {
    margin-bottom: 0.2em;
    font-weight: 600;
    font-size: 1.1em;
    line-height: 1.4em;
}

.voronoi {
    fill: transparent;
}

.listening-rect {
    fill: transparent;
}