.sugesstion, .sugesstion2, .sugesstion3 {
    z-index: 999;
    display: none;
    min-width: 100px;
    min-height: 31px;
    background: rgba(0, 0, 0, .6);
    position: absolute;
}

.sugesstion a, .sugesstion span, .sugesstion2 a, .sugesstion2 span, .sugesstion3 a, .sugesstion3 span {
    display: block;
    color: #fff;
    padding: 5px;
    border-bottom: 1px solid #CCC;
}

.sugesstion a:hover, .sugesstion2 a:hover, .sugesstion3 a:hover {
    background: rgba(0, 0, 0, .7);
}

.invalid-feedback{
    color: red;
}