.pull-to-refresh {
    -webkit-align-items: stretch;
    -ms-flex-align: stretch;
    align-items: stretch;
    border-width: 0;
    border-style: solid;
    box-sizing: border-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-basis: auto;
    -ms-flex-preferred-size: auto;
    flex-basis: auto;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-flex-shrink: 0;
    -ms-flex-negative: 0;
    flex-shrink: 0;
    margin: 0;
    padding: 0;
    position: relative;
    background-color: transparent;
    color: inherit;
    font: inherit;
    text-align: inherit;
    text-decoration: none;
    list-style: none;
    min-height: 0;
    min-width: 0;
    width: 100%;
}

._29ahSMvH {
    overflow: hidden;
    position: relative
}

.ptr {
    display: flex;
    align-items: center;
    height: 0.55rem;
    justify-content: center;
    left: 0;
    position: absolute;
    right: 0;
    top: -0.55rem;
    // z-index: -1;
}

.arrow-down {
    align-content: center;
    justify-content: center;
    height: 0.2rem;
    color: #aab8c2;
    transition: -webkit-transform .25s;
    transition: transform .25s;
    transition: transform .25s, -webkit-transform .25s;
    visibility: hidden;
}

.show-arrow-down .arrow-down {
    visibility: visible;
}

.arrow-up {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg)
}