:root{
    --countdown_size: 50%;
    --seismograph-height: 500px;
}

@media only screen and (max-width: 500px) {
    :root {
        --seismograph-height: 250px;
    }
}
.garbage{
    display: none;
}

.dss_container_start{
    display:contents;
    justify-content:initial;    
}

.dss_start_outer_container{
    position: absolute;
    top:50%;
    left:50%;
    transform: translate(-50%,-10%);
}

.dss_title_container{
    margin: auto;
    width: 100%;
    padding: 10px;
}

.dss_button_container{
    display: flex;
    justify-content: space-evenly;
    height: 100%;
}

.dss_button{
    border: 2px solid #2b3181;
    font-size: large;
    cursor: pointer;
    width: 100%;
    min-height: 40px;
    box-shadow: rgb(204 204 204) 10px 10px 5px;
}

.dss_button:hover{
    border: 3px solid #2b3181;
}

.dss_video_player{
    width: 100%;
    margin-bottom: 20px;
    box-shadow: rgb(204 204 204) 10px 10px 5px;
}

.dss_countdown_overlay{
    display: none;
    background-color: black;
    position: absolute;
    pointer-events: none;
    padding-top: 10%;
}

.dss_countdown_overlay.active{
    background-color: rgba(0,0,0,.9);
    display:initial;
    z-index: 1;
}

.dss_countdown_display{
    width: var(--countdown_size);
    background-color: cornflowerblue;
    opacity: 1;
    z-index: 3;
    text-align: center;
    padding: 1%;
    max-height: 400px;
    max-width: 400px;
    border-radius: 15px;
}

.dss_container_exercise{
    width: 100%;
}

.exerciseCanvas{
    width: 100%;
    height: 400px;
    max-height: 50%;
    border: 2px solid #2b3181;
    margin-bottom:20px;
    box-shadow: rgb(204 204 204) 10px 10px 5px;
}

.dss_reading_text{
    width: 100%;
    text-align: start;
    margin-top: 50px;
    margin-bottom: 50px;
    border: 2px solid #2b3181 ;
    padding:10px;
    margin-left: 0px;
    margin-bottom:20px;
    box-shadow: rgb(204 204 204) 10px 10px 5px;
}

.dss_button.stop_button{
    position: relative;
    /* max-width: 20px; */
    min-width: 100px;
    height: calc(var(--seismograph-height) + 0px);
    background-color: red;
    align-self:right;
    /* left: 80%; */
    transform: translateY(-5px);
}