index.css

#content {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: 100%;
    background: #333333;
}

#header {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 50px;
    background: #111111;
}

#circuitInfo {
    position: absolute;
    left: 0%;
    height: 100%;
    width: 20%;
}

#circuitInfoFlag {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    left: 5%;
    height: 50%;
}

#circuitInfoName {
    height: 50%;
    width: 95%;
    display: flex;
    justify-content: left;
    align-items: center;
    position: absolute;
    top: 50%;
    left: 5%;
    color: white;
    font-family: 'Ubuntu', sans-serif;
}

#sessionType {
    position: absolute;
    left: 20%;
    height: 100%;
    width: 20%;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Ubuntu', sans-serif;
}

#airTemp {
    position: absolute;
    left: 40%;
    height: 50%;
    width: 20%;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Ubuntu', sans-serif;
}

#trackTemp {
    position: absolute;
    left: 40%;
    top: 50%;
    height: 50%;
    width: 20%;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Ubuntu', sans-serif;
}

#lapCount {
    position: absolute;
    left: 60%;
    height: 100%;
    width: 20%;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Ubuntu', sans-serif;
}

#clock {
    position: absolute;
    left: 80%;
    height: 100%;
    width: 20%;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Ubuntu', sans-serif;
}
#menu {
    position: absolute;
    color: white;
    font-family: 'Ubuntu', sans-serif;
    right: 10px;
    font-size: 20px;
    height: 100%;
    display: flex;
    align-items: center;
}
#boxes {
    width: 100%;
    height: calc(100% - 50px);
    position: absolute;
    top: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Ubuntu', sans-serif;
    font-weight: 300;
    color: #707070;
}
.box {
    position: absolute;
    width: calc(100% / 3 - 2px);
    height: calc(100% / 2 - 1px);
    border: 1px solid #555555;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Ubuntu', sans-serif;
    font-weight: 300;
    color: #707070;
}
.top {
    top: 0;
}
.left {
    left: 0;
}
.mid {
    left: calc(100% / 3);
}
.right {
    right: 0;
}
.bottom {
    bottom: 0;
}
.fullHeight {
    height: calc(100% - 2px);
}
#screen1 {
    position: absolute;
    width: 100%;
    height: calc(100% - 50px);
    top: 50px;
    right: -100%;
    color: #707070;
}
.arrowRight {
    position: absolute;
    top: calc(50% - 6px);
    right: 10px;
  border: solid black;
  border-width: 0 3px 3px 0;
  display: inline-block;
  padding: 5px;
  transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
}
.arrowLeft {
    position: absolute;
    top: calc(50% - 6px);
    left: 10px;
  border: solid black;
  border-width: 0px 0px 3px 3px;
  display: inline-block;
  padding: 5px;
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
}