task11.css

body{
    padding: 0;
    margin: 0;
}
.inner-div1{
    background-color: red;
    width: 20%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.inner-div2{
    background-color: green;
    width: 80%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.parent{
    height: 100px;
    display: flex;
}
.contents{
    height: 500px;
    display: flex;
}
.page_contents{
    width: 75%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: chartreuse;
}
.sidebar{
    width: 25%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: darkgreen;
}
.menu{
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: yellow;
}
.section{
    height: 150px;
    display: flex;
}
.section1, .section2, .section3{
    width: 33.3%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.section1{
    background-color: blue;
}
.section2{
    background-color: brown;
}
.section3{
    background-color: pink;
}
.footer{
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: cyan;
}