#main_container {
    position: relative;
    width: 60vw;
    height: auto;
    margin: auto;
    border: 5px solid black;
    overflow: hidden;
}

#slider_container {
   display: flex;
}

#slide_holder {
    padding-top: 8vw;
    width: 100%;
    background-color: black;
}

#main_container:hover #left_button {
    opacity: 1;
    background-image: url(../images/slides/left_arrow.png);
    background-repeat: no-repeat;
    background-position: center;
}

#main_container:hover #right_button {
    opacity: 1;
    background-image: url(../images/slides/right_arrow.png);
    background-repeat: no-repeat;
    background-position: center;
}

#left_button {
    transition: opacity 0.2s;
    opacity: 0;
    position: absolute;
    width: 5%;
    height: 100%;
    background-color: rgb(29, 31, 33);
    left: 0;
    z-index: 1;
    cursor: pointer;
}

#right_button {
    transition: opacity 0.2s;
    opacity: 0;
    position: absolute;
    width: 5%;
    height: 100%;
    background-color: rgb(29, 31, 33);
    right: 0;
    z-index: 1;
    cursor: pointer;
}

#left_button a {
    color: white;
    font-size: 20px;
    display: flex;
    justify-content: center;
    margin-bottom: 150px;
    margin-top: 150px;
}

#right_button a {
    color: white;
    font-size: 20px;
    display: flex;
    justify-content: center;
    margin-bottom: 150px;
    margin-top: 150px; 
}

#left_button:hover {
    background-color: darkgray;
}

#right_button:hover {
    background-color: darkgray;
}




.manual_button {
    transition: background-color .4s;
    border: 4px solid black;
    padding: 5px;
    border-radius: 10px;
    cursor: pointer;
    margin-right: 10px;
    margin-left: 10px;
}


.manual_button:hover {
    background-color: black;
}


.slide img {
    width: 60vw;
    height: auto;
}