body{
    --background: #f5f5f5;
    --background-invert: #212e37;
    --background-hover: #000;
    --border-color: #000;
    --text-color: #000;
    --text-color-hover: #feffff;
    --background-selected: #000;
    background: var(--background);
    transition: 250ms ease-in;
}

body.active{
    --background: #212e37;
    --background-invert: #feffff;
    --background-hover: #fff;
    --border-color: #feffff;
    --text-color: #feffff;
    --text-color-hover: #212e37;
    --background-selected: #feffff;
}

.custom-select-container,
.custom-select-value,
.custom-select-options,
.custom-select-option{
    box-sizing: border-box;
}

.custom-select-options,
.custom-select-option{
    color: var(--text-color);
}

.custom-select-options{
    background: var(--background);
    z-index: 5;
}

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

.custom-select-value{
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 200px;
    border: 1px var(--border-color) solid;
    padding: 10px .5rem;
    cursor: pointer;
    user-select: none;
    color: var(--text-color);

}

.custom-select-container:focus > .custom-select-value{
    border-width: 2px;
    outline: none;
}

.custom-select-value::after{
    content: '';
    display: inline-block;
    border: 4px solid transparent;
    border-top-color: var(--border-color);
    margin-left: 12px;
    margin-top: 4px;
}

.custom-select-options{
    display: none;
    position: absolute;
    list-style: none;
    border: 2px solid var(--border-color);
    width: 100%;
    border-top: none;
    max-height: 200px;
    overflow-y: auto;
}

.custom-select-options.show{
    display: block;
}

.custom-select-option{
    padding: .25rem .5rem;
    cursor: pointer;
}

.custom-select-option:hover{
    background: var(--background-hover);
    color: var(--text-color-hover);
}

.custom-select-option.selected{
    background: var(--background-selected);
    color: var(--text-color-hover);
}