.custom-select {
    position: relative;
    display: inline-block;
    width: 200px;
    width: 100%;
}

.select-box {
    background-color: #f9f9f9;
    border: 1px solid #ccc;
    padding: 8px;
    cursor: pointer;
    display: block;
    width: 100%;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    padding: 0.375rem 2.25rem 0.375rem 0.75rem;
    -moz-padding-start: calc(0.75rem - 3px);
    background-color: #fff;
    background-clip: padding-box;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.select-box-item {
    /*background-color: #f9f9f9;*/
    cursor: pointer;
    display: block;
    width: 100%;
    color: #212529;
}

.dropdown-options {
    display: none;
    position: absolute;
    /*background-color: #f9f9f9;*/
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 2;
    min-width: 100%;
    max-height: 250px;
    overflow-y: auto;
    border: 1px solid #ccc;
    padding: 12px 16px;
    width: 100%;
}

.dropdown-options label {
    display: block;
    margin: 5px 0;
    width: 100%;
}

.show {
    display: block;
}