.hide-code {
    position: relative;
    overflow-y: hidden !important;
}

.hide-code .hide-code-mask {
    text-align: center;
    width: 100%;
    padding-top: 78px;
    background-image: -webkit-gradient(linear, left top, left bottom, from(rgba(255, 255, 255, 0)), to(#fff));
    background-image: linear-gradient(-180deg, rgba(255, 255, 255, 0) 0%, #fff 100%);
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10;
}

.hide-code .hide-code-mask .hide-code-mask-btn::before {
    content: "";
    cursor: pointer;
    border-width: 9px;
    border-style: solid;
    border-color: #aaa transparent transparent transparent;
    display: inline-block;
    height: 0;
    width: 0;
    transform: translateY(10px);
    margin-right: 20px;
    transition: all .3s;
}