*{
    box-sizing: border-box;
}


.main{
    background-color: rgb(190, 37, 37);
    color: black;
    text-align: left;
    margin: 10px;
    padding: 40px;
    border-radius: 5px;
     font-size: 110%;
}

.sidebar{
    height: 100%;
    width: 200px;
    flex: overflow;
    z-index: 1;
    top: 0;
    margin: 0;
    background-color: #000;
    overflow-x: hidden;
}