style.css

body {
    background-color: rgb(194, 80, 80);
}

.container_overall {
    display: flex;
    padding-top: 3%;
    flex-direction: row;
    width: 100%;
    height: 100%;
}

.menu_block {
    position: fixed;
    padding-left: 1%;
    height: 60%;
    width: 78%;
    display: flex;
    flex-direction: column;
    justify-content: left;
    background-color: rgb(233, 180, 20);
    z-index: 0;
}

.menu_item {
    height: 40px;
    width: fit-content;
    padding: 10px;
}
.container_tiles {
    display: flex;
    flex-wrap: wrap;
    justify-content: left;
    padding-top: 2%;
    padding-left: 2%;
    width: 1200px;
    margin: 0 auto;
}
  
.tile0 {
    width: 190px;
    height: 190px;
    margin: 10px;
    background-color: azure;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    z-index: 1;
}

.tile1 {
    width: 400px;
    height: 400px;
    margin: 10px;
    background-color: azure;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    z-index: 1;
}

.tile2 {
    width: 610px;
    height: 610px;
    margin: 10px;
    background-color: azure;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    z-index: 1;
}