body {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    background-color: rgba(128, 128, 128, 0.767);
}


/* ------------------header and buttons styling---------------*/
hr {
    height: 1px;
    color: rgba(255, 255, 255, 0.692);
    background-color: rgba(255, 255, 255, 0.445);
    border: none;
}


.btn {
    margin-left: 20px;
}

#highlight {
    font-size: 20px;
    font-weight: bold;
    color: rgb(248, 233, 15);
}

/* --------------------graph styling ---------------------*/
.graph {
    background-color: white;
    width: 1200px;
    height: 900px;
    margin: 20px auto 80px;
    border-radius: 20px;
    padding-bottom: 50px;
}

.helper-line {
    stroke: gray;
    stroke-width: 2;
    stroke-dasharray: 3px;
}

.helper-text div {
    width: 100%;
    height: 100%;
    background-color: #ececec7a;
    padding: 15px;
    color: #424242;
    font-size: 15px;
    line-height: 20px;
}

.label {
    opacity: 0.5;
    cursor: pointer;
}

.highlight {
    opacity: 1;
    font-weight: bold;
}

svg {
    margin: 70px 0 100px 0;
}

/* Scatter plot css */
.tooltip {
    position: absolute;
    font-size: 12px;
    width: auto;
    height: auto;
    pointer-events: none;
    background-color: white;
}

.lineName {
    position: absolute;
    font-size: 20px;
    width: auto;
    height: auto;
    pointer-events: none;
    background-color: white;
}