.slider_holder {
    position: relative;
    padding-top: 120px;
    width: 100%;
    height: auto;
    margin: 0 auto;
    overflow: hidden;
}

.slider-content {
    width: 400%;
    height: auto;
    display: flex;
}

.slider-content input {
    display: none;
}

.slide-box {
    width: 25%;
    height: auto;
    position: relative;
    text-align: center;
    transition: 1s;
}

.slide-box img {
    width: 100%;
    height: auto;
}

.manual-navigation, .nav_auto {
    position: absolute;
    width: 100%;
    bottom: 30px;
    display: flex;
    justify-content: center;
}

.manual-btn, .nav_auto div {
    border: 3px solid white;
    padding: 7px;
    border-radius: 50%;
    cursor: pointer;
    transition: 0.5s;
}

.manual-btn:not(:last-child), .nav_auto div:not(:last-child){
    margin-right: 15px;
}

.manual-btn:hover {
    background-color: white;
}

#radio1:checked ~ .nav_auto .auto-btn1, #radio2:checked ~ .nav_auto .auto-btn2, #radio3:checked ~ .nav_auto .auto-btn3,  #radio4:checked ~ .nav_auto .auto-btn4{
background-color: white;
}

#radio1:checked ~ .first {
    margin-left: 0%;
}

#radio2:checked ~ .first {
    margin-left: -25%;
}

#radio3:checked ~ .first {
    margin-left: -50%;
}

#radio4:checked ~ .first {
    margin-left: -75%;
}


@media only screen and (min-width: 750px) {
    .slider_holder {
        padding-top: 180px;
    }
    
}