.custom-select-wrapper {
    position: relative;
    user-select: none;
}

    .custom-select-wrapper select {
        display: none;
    }

.custom-select {
    position: relative;
    display: inline-block;
}

.custom-select-trigger {
    border-radius: 4px;
    font-weight: 300;
    background: #39aa3c;
    font-size: 22px;
    position: relative;
    display: block;
    padding: 10px 30px 10px 10px;
    cursor: pointer;
    color: #fff;
}

    .custom-select-trigger:after {
        position: absolute;
        display: block;
        content: '';
        width: 10px;
        height: 10px;
        top: 50%;
        right: 12px;
        margin-top: -3px;
        border-bottom: 1px solid #fff;
        border-right: 1px solid #fff;
        transform: rotate(45deg) translateY(-50%);
        transition: all .4s ease-in-out;
        transform-origin: 50% 0;
    }

.custom-select.opened .custom-select-trigger:after {
    margin-top: 3px;
    transform: rotate(-135deg) translateY(-50%);
}

.custom-options {
    position: absolute;
    display: block;
    top: 100%;
    left: 0;
    right: 0;
    width: 250px;
    min-width: 100%;
    margin: 15px 0;
    border: 1px solid #b5b5b5;
    border-radius: 4px;
    box-sizing: border-box;
    box-shadow: 0 2px 1px rgba(0,0,0,.07);
    background: #fff;
    transition: all .4s ease-in-out;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-15px);
}

.custom-select.opened .custom-options {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transform: translateY(0);
}

.custom-options:before {
    position: absolute;
    display: block;
    content: '';
    bottom: 100%;
    right: 25px;
    width: 7px;
    height: 7px;
    margin-bottom: -4px;
    border-top: 1px solid #b5b5b5;
    border-left: 1px solid #b5b5b5;
    background: #fff;
    transform: rotate(45deg);
    transition: all .4s ease-in-out;
}

.option-hover:before {
    background: #f9f9f9;
}

.custom-option {
    border-bottom: 1px solid #b5b5b5;
    line-height: 30px;
    transition: all .4s ease-in-out;
    font-size: 14px;
    position: relative;
    display: block;
    padding: 5px 22px;
    color: #b5b5b5;
    cursor: pointer;
}

    .custom-option:first-of-type {
        border-radius: 4px 4px 0 0;
    }

    .custom-option:last-of-type {
        border-bottom: 0;
        border-radius: 0 0 4px 4px;
    }

    .custom-option:hover,
    .custom-option.selection {
        background: #eeeeee;
    }