.fa-trash
{
    color:red;
    cursor:pointer;
}
.last
{
    margin-top:100px;
}

.flex
{
    display:flex;
}
.ml
{
    margin-left:20px;
}
.btn-block
{
    margin-left:20px;
}

.lastbtn
{
    float:right;
    margin-bottom:10px;
}

/* Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
input[type=number] {
  -moz-appearance: textfield;
}