.sil-input-group {
    position: relative;
    margin-top: 9px;
    margin-bottom: 9px;
    display: flex;
    /*border: 1px solid #ccc;*/
    border-radius: 3px;
}

.sil-input-second {
    width: 0px;
    padding: 1px 1px;
    font-size: 16px;
    border: 0px solid #ccc;
    background: none;
    visibility: hidden;
}

.sil-input {
    width: 100%;
    padding: 4px 4px;
    font-size: 16px;
    font-family:Tahoma, Verdana, sans-serif;
    border: 0px solid #ccc;
    background: none;
    color: black;
}
    .sil-input::placeholder {
        color: transparent;
        transition: color 0.3s ease;
    }

    .sil-input:focus::placeholder {
        color: #999; /* or any visible color */
        opacity:0.2;
    }

.sil-toolsTips {
    width: 30px;
    padding: 4px 4px;
    font-size: 16px;
    border: 0px solid #ccc;
}

.sil-label {
    position: absolute;
    top: 3px;
    left: 6px;
    color: #4800ff;
    transition: 0.2s ease all;
    pointer-events: none;
    background-color: white;
    opacity: 0.4;
}

.sil-input:focus + label,
.sil-input:not(:placeholder-shown) + label {
    top: -10px;
    left: 6px;
    font-size: 13px;
    color:darkgray;
    opacity:1;
}

.sil-info-box {
/*    display: none;*/
    position: absolute;
    top: 40px;
    left: 0px;
    border: 1px solid #ccc;
    padding: 1px 1px;
    border-radius: 3px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    z-index: 1090;
    min-width: 100px;
    min-height: 40px;
}

.sil-select option {
    color: #111;
    background-color: #ccc;
    font-size: 14px;
}
    /* Highlight hovered option in some browsers */
    .sil-select option:hover {
        background-color: #f2f2f2; /* may not apply on all OSes */
    }