#sides {
    margin: 0;
}

#left {
    float: left;
    width: 75%;
    overflow: hidden;
    overflow-x: scroll;
    white-space: nowrap;
}

::-webkit-scrollbar {
    height: 5px;
    width: 5px;
}

::-webkit-scrollbar-track {
    background: #fff;
}

::-webkit-scrollbar-thumb {
    background: #d4d1d1;
}

    ::-webkit-scrollbar-thumb:hover {
        background: #afabab;
    }

#right {
    float: left;
    width: 25%;
    overflow: hidden;
}

.dropbtn {
    display: block;
    width: 100%;
    height: calc(1.5em + 0.75rem + 2px);
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
    text-align: end;
}

.dropdown {
    position: relative;
    display: inline-block;
    width: 100%;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: white;
    width: 100%;
    height: 200px;
    box-shadow: 0px 8px 16px 0px rgb(0 0 0 / 20%);
    z-index: 10;
    overflow: hidden;
    overflow-y: scroll;
}

.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}

.dropdown-content a:hover {
    background-color: white;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown:hover .dropbtn {
    background-color: white;
}