style.css

*{
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
  }
.container{
    display: flex;
    justify-content: space-between;
}
.container_left{
    height: 100vh;
    width: 20%;
    background-color: black;
    position: sticky;
    top: 0px;
    color: white;
}
.container_right{
    display: flex;
    flex-direction: column;
    width: 100vw;
}
.common_page{
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 25px;
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif ;
}
.home{
    background-color: chartreuse;
}
.About{
    background-color: rgb(0, 255, 179);
}
.contact{
    background-color: rgb(119, 0, 255);
}
.Education{
    background-color: rgb(255, 0, 170);
}
.container_img_cont{
    display: flex;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif ;
   font-size: 25px;
}
.img_cont{
    transform: scale(80%);
}
.img_cont img{
    height: 100%;
    width: 100%;
    border-radius: 50%;
}
.navbar{
    position: relative;
    top: 10%;
}
.navlist{
  position: relative;
}
.navlist .btn{
  width: 84%;
  padding: 6px 4px;
  margin: 5px auto;
  border-radius: 5px;
  outline: none;
  border: none;
  cursor: pointer;
}
.navlist li{
   list-style: none;
   
}
.navlist li .link{
    text-decoration: none;
    font-size: 20px;
    display: flex;
  flex-direction: column;
  justify-content: center;
}
.container_left_bottom{
    position: absolute;
    bottom: 20px;
    width: 100%;
    margin: auto;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 3px 15px;
}
.container_icon{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 40px;
    width: 40px;
    border-radius: 50%;
    background-color: blue;
    color: white;
    font-size: 20px;
    cursor: pointer;
}