style.css

body {
  padding: 0;
  margin: 0;
  overflow: hidden;
}


.logo {
  position: absolute;
  top: 100px;
  left: calc(50% - 150px);
  width: 300px;
  height: auto;
  z-index: 2;
  opacity: 0.8;
}





:root {
  --main-bg-color: #0e1525;
  --primary-color: #1d2333;
}

body {
    background-color: var(--main-bg-color);
    font-family: 'IBM Plex Sans Condensed';
    margin: 0 0;
    height: 220vh;
    overflow-y: auto;
}

.topBar {
    background-color: var(--primary-color);
    width: 100vw;
    height: 60px;
    margin-bottom: 8px;
}


.mainChild {
    border-radius: 9px;
    background-color: var(--primary-color);
    width: 80%;
    height: 80%;
    position: absolute;
    top: 10%;
    left: 10%;
}

.hidden {
    width: 100%;
    background-color: white;
    height: calc(220vh - 30px);
    position: absolute;
    top: 30px;
    z-index: 9999;
    display: block;
}
.load {
    width: 100%;
    background-color: white;
    position: absolute;
    top: 0;
    right: 0;
    height: 30px;
    z-index: 9999;
}