style.css

i:hover{
    cursor: pointer;
}
.removeIcon:hover {
    color: #ff3547;
}

.editIcon:hover {
    color: #007bff;
}

.container, .page-header {
    margin-top: 20px;
    margin-bottom: 20px;
}


.jumbotron {
    padding: 2rem 1rem 2rem 1rem;
}

.modal-footer { 
    justify-content: flex-start;
}

.fas.fa-check {
    margin-left: 1rem;
    visibility: hidden;
}

/* design for remove and add column */
th {
    text-align: center;
}

.float{
    position: fixed;
    position: absolute;
    border-radius: 5px;
    padding: 2px;
    background-color : rgba(255, 255, 255);
    padding: 5;
    display: inline;
    top : 0 ;
    left : 0;
    z-index: 3;
    transition: font-size 1s ;
}

#icon-add-column {
    padding: 1px;
}

#icon-remove-column {
    padding: 1px;
}