custom.css

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

}
#main{    
    width: 100%;
    min-height: 100vh;
    background-color: #a29bfe;
    display: flex;
    flex-wrap: wrap;
    padding-bottom:50px;

}
#addBtn{
    position: fixed;
    right: 10px;
    top: 10px;
    background-color: #2d3436;
    color: white;
    padding: 10px;
    border:0;
    outline:0;
    border-radius:5px;
    
}
.note{           

    width: 400px;
    height: 400px;
    background-color: white;
    margin: 15px;
    margin-top: 55px;
}
.tool{
    width: 100%;
    background-color: #2d3436;
    color: white;
    padding : 5px;
    display: flex;
    justify-content: end;

}
.tool i {
    padding: 5px;
    cursor: pointer; 
}
.note textarea{
    border: none;
    width: 100%;
    height: 100%;
    resize: none;
    padding: 10px;
}
.note textarea:focus{
    border:0;
    outline:0;
}