.search_field input
{
    padding: 0.7em 1em;
}

.search_field input:focus
{
    outline: none;
}

.search_field .input-group-addon button
{
    height: 100%;
    font-size: 1.2em;
    border: none;
    padding: 0.3em 0.8em;
}
.search_field .input-group-addon button {
    height: 100%;
    font-size: 16px;
    border: none;
    padding: 20px 50px;
    font-weight: 600;
    background-color: #e7e7e7 !important;
    transition: .15s ease-in-out;
}

.search_field .input-group-addon button:hover {
    background-color: var(--secondColor) !important;
    color: var(--brightColor);
}
@media ( max-width: 767px )
{
    .search_field input,
    .search_field .input-group-addon button
    {
        font-size: 0.9em;
    }

    .search_field .input-group-addon button
    {
        padding: 0.3em 1em;
    }
}