.custom-qr-select {
    position: relative;
}

.custom-qr-select .select-header {
    background-color: #03a9f4;
    border-color: #03a9f4;
    border-radius: 0.25rem;
    color: #ffffff;
    display: block;
    padding: 1rem 2rem;
    position: relative;
    margin: auto;
    text-align: center;
    cursor: pointer;
}
    .custom-qr-select .select-header.expanded {
        border-radius: 0.25rem 0.25rem 0 0;
        box-shadow: 0px 2px 3px #008ecf;
        position: relative;
        z-index: 2;
    }
.custom-qr-select .select-header .icon {
    position: absolute;
    right: 15px;
    top: 15px;
}
    .custom-qr-select .select-options {
        background-color: #03a9f4;
        border-color: #03a9f4;
        border-radius: 0 0 0.25rem 0.25rem;
        color: #ffffff;
        padding: 0.5rem;
        position: absolute;
        left: 0;
        right: 0;
        text-align: center;
        z-index: 1;
        box-shadow: 1px 2px 3px #b7b7b7;
    }
.custom-qr-select .select-option {
    padding: 1rem 2rem;
    cursor: pointer;
    transition: background-color linear .2s;
}
.custom-qr-select .select-option:hover {
    background-color: #0098dc;
}
.custom-qr-select .select-option-text {
    display: inline-block;
}
.input-select:after {
    position: absolute;
    content: " ";
    top: 14px;
    right: 10px;
    width: 0;
    height: 0;
    border: 6px solid transparent;
    border-color: #fff transparent transparent transparent;
}