.select{
    position: relative;
}
.select.error .select__header{
    border-color: red;
}
.select.ok .select__header{
    border-color: rgb(0, 255, 96);
}

.select.active .select__body{
    display: block;
}
.select.active .select__header{
    border: 1px solid blue;
}
.select__header{
    display: flex;
    border: 1px solid #262626;
    border-radius: 5px;
    background: #fff;
    user-select: none;
    cursor: pointer;
}
.select.active .select__header{
    border-radius: 5px 5px 0 0;
}
.select__current{
    width: 100%;
    padding: 10px;
    line-height: 15px;
    font-size: 18px;
}
.select__icon{
    width: 35px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-left: auto;
    text-align: center;
    flex-shrink: 0;
}
.select__body{
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    border: 1px solid blue;
    border-radius: 0 0 5px 5px;
    border-top: 0;
    background: #fff;
}
.select__item{
    width: 100%;
    padding: 10px;
    line-height: 15px;
    font-size: 18px;
    user-select: none;
    cursor: pointer;
}
.select__item:last-child{
    border-radius: 0 0 5px 5px;
}
.select__item:hover{
    background: #f2f2f2;
}