* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.wrapper {
    display: flex;
    padding: 30px;
    .left-sidebar {
        background-color: #88FFDA;
        height: 40vh;
        width: 300px;
    }
    
    .content {
        background-color: #C9FEEE;
        height: 40vh;
        width: 100%;
    }
}