.custom_class_name{
    position: relative;
}
.custom_class_name:hover::before{
    content: "Remove";
    position: absolute;
    left: -4px;
    top: -15px;
    background-color: red;
    color: #232323;
    padding: 0 5px;
    cursor: pointer;
    border-radius: 5%;
    font-size: 10px;
}
#bootstrap_class_names{
    background-color: #ffffff;
}
#bootstrap_class_names span{
    margin: 0 5px;
}
#custom_classes{
    background-color: #ffffff;
}
.lines{
    left: 0;
    width: 23px;
    height: 100%;
    top: 0;
    background: #e8e8e8;
    border-right: 2px solid #7d8dff;
}
.line{
    position: absolute;
    left: 5px;
    color: #232323;
    font-family: 'Manrope';
    user-select: none;
    -moz-user-select: none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    -o-user-select: none;
}