.position-sticky {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    z-index: 999;
}

.position-relative {
    position: relative;
    top: 0;
    left: 0;
}

.position-center-right {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
}

.m-0 {
    margin: 0;
}

.fullpage {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

.midpage {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50%;
    height: 100vh;
}

.customerList {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 100%;
    height: 90vh;
    padding: 2rem 0;
}

.customerList > div {
    width: 30%;
    height: 100%;
}

.customerList .title {
    padding: 1rem 0;
}

.customerList .content {
    overflow-y: auto;
    padding: 0 1rem;
    height: 80%;
}