@import url("https://fonts.googleapis.com/css2?family=Ubuntu");
*{
    margin: 0;
    padding: 0;
    font-family: Ubuntu, sans-serif;
    user-select: none;
    -webkit-user-drag: none;
}
body{
    min-height: 100vh;
    background: url("https://149366088.v2.pressablecdn.com/wp-content/uploads/2017/09/ubuntu-1710-default-wallpaper-artful-750x422.jpg");
    display: flex;
    background-size: cover;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

header{
    width: 100%;
    height: 28px;
    position: absolute;
    top: 0;
    background: black;
    display: flex;
    align-items: center;
}
header .left, header .center, header .right{
    color: white;
    font-size: 15.5px;
}
header .left{
    width: 33.3%;
    display: flex;
    position: relative;
    left: 10px;
    justify-content: flex-start;
    cursor: pointer;

}
header .center{
    width: 33.3%;
    display: flex;
    justify-content: center;    
}
header .right{;
    display: flex;
    justify-content: flex-end;
    width: 33.3%;
    display: flex;
    position: relative;
    justify-content: flex-end;
}
header .right a{
    width: 30px;
}
header .right a ion-icon{
    font-size: 20px;
    color: white;
}

section{
    left: 0px;
    width: 0.5px;
    height: 100%;
    background: rgba(0, 0, 0, 0.1);
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: 0.3s;
    overflow: hidden;
    top: 28px;
}
section:hover{
    background: rgba(0, 0, 0, 0.5);
    width: 60px;
}
section .left-top{
    width: 50px;
    flex-direction: column;
    display: flex;
    justify-content: center;
    align-items: center;
}
section .left-top a .icon{
    width: 50px;
    height: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: transparent;
}
section .left-top a .icon ion-icon{
    font-size: 2.3em;
    color: white;
    transition: 0.3s;
}
section .left-top a .icon ion-icon:hover{
    font-size: 2.6em;
    color: white;
}
section .left-bottom{
    width: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    bottom: 38px;
}
section .left-bottom a .icon{
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent;
}
section .left-bottom a .icon ion-icon{
    font-size: 2.4em;
    color: white;
    transition: 0.3s;
}
section .left-bottom a .icon:hover{
    font-size: 1.2em;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2.5px;
}

.folders{
    width: 300px;
    height: 200px;
    position: absolute;
    top: 40px;
    left: 60px;
    display: flex;
    text-decoration: none;
    overflow: hidden;
}
.folders ul li a .icon ion-icon{
    color: rgba(255, 255, 255, 0.75);
    font-size: 3em;
}
.folders ul li:nth-child(2) a .icon ion-icon{
    position: relative;
    left: 4px;
}
.folders ul li a{
    position: relative;
    text-decoration: none;
}
.folders ul li a i{
    height: 10px;
    font-style: normal;
    position: relative;
    font-size: 12px;
    right: 45px;
    top: 10px;
    color: white;
}
.folders ul li:nth-child(2){
    position: relative;
    top: 30px;
}
.folders ul li:nth-child(2) a i{
    top: 15px;
    right: 52px;
}