style.css

* {
    font-family: 'Trebuchet MS';
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html{
    height: 100%;
    overflow-y: hidden;
}
a{
    color: royalblue;
}
.menu {
    display: flex;
    flex-direction: column;
    width: 15%;
    min-height: 100%;
    padding: 1em;
    border-right: 1px solid black;
    font-size: .8vw;
    overflow-x: visible;
    overflow-y:scroll;
}
.menuLabel{
    display: block;
    width: 100%;
    padding-top: 1em;
    padding-bottom: 0.5em;
}
.menuInput{
    width:  100%;
    border-radius: .25em;
    border: 1px solid black;
    padding: 0.3em;
}
.btn{
    background-color: #aaaaaa; 
    border: none;
    color: black;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    margin-top: 0.5vw;
    padding: 0.5vw;
    width: 100%;
    font-size: .8vw;
    border-radius: 0.5vh;
}
[data-tab-content]{
    display: none; 
    height: 95vh;
}
.active[data-tab-content]{
    display: flex;
    flex-direction: row;
    height: 95vh;
}
.tabs{
    display: flex;
    justify-content: space-around;
    align-items: center;
    list-style-type: none;
    border-bottom: 1px solid black;
    height: 5vh;
}
.tab{
    cursor: pointer;
    height: 100%;
    line-height: 5vh;
    padding-left: 2.5vh;
    padding-right: 2.5vh;
}
.tab.active{
    background-color: #ccc;
}
.tab:hover{
    font-weight: 900;
}
.tab.active:hover{
    font-weight: normal;
}
#graphTab, #aboutTab{
    flex-direction: column;
    padding: 1vh;
    overflow-y: scroll;
}
.chartContainer{
    display: flex;
    flex-direction: column;
}
.chart{
    padding-top: 5vh;
    width: 40%;
}
.chartTitle{
    font-size: larger;
    font-weight: bold;
    padding-bottom: 1.5vh;
}
.chartRow{
    display: flex;
    flex-direction: row;
    justify-content: space-around;
}
.dataContainer{
    display: flex;
    font-family: 'Trebuchet MS';
    height: 4%;
    font-size: 1.7vh;
    align-items: center;
    justify-content: space-around;
}
@media only screen and (max-width: 1250px) {
  .chartRow{
      flex-direction: column;
  }
  .chart{
      width: 100%;
      padding-inline: 10%;
  }
}