#background{
    background-image: url(../images/back/o4dMEtw.jpg);
    height: 100vh;
    width: 100%;
    background-size: cover;
    background-position: center center;
    position: fixed;
    top: 0;
    z-index: -1;
}
/*#background{
    background-image: url(../images/back/back2.jpg);
    height: 100vh;
    width: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    z-index: -1;
    position: fixed;
}*/
header {
    height: 100px;
    width: 100%;
}
.header-main{
    display: block;
    padding: 10px;
    text-align: center;
    text-decoration: none;
    font-size: 24px;
    font-weight: 900;
    color: blue;
}
header nav ul{
    display: block;
    margin: 0 auto;
    width: fit-content;
}

header nav ul li{
    display: inline-block;
    float: left;
    list-style: none;
    padding: 0 16px;
}

header nav ul li a{
    text-decoration: none;
    font-size: 15px;
    font-weight: 100;
    color: blue;
}
/*------------------------------------------------*/

@media only screen and (min-width: 1000px){
    .header-main{
        
        margin: 30px;
        text-align: left;
        font-size: 30px;
        line-height: 50px;
        padding: 0 20px 0 40px;
        border-right: 4px solid blue;
        float: left;
    }

    header nav ul{
        margin: 0 ;
        float: left;
    }

    header nav ul li{
        display: inline-block;
        float: left;
        list-style: none;
        padding: 0 16px;
    }

    header nav ul li a{
        font-size: 24px;
        font-weight: 100;
        color: blue;
        line-height: 100px;
    }
    
}

/*----------------------------------------------*/




.slider{
    width: 1300px;
    max-width: 100vw;
    height: 700px;
    margin: auto;
    position: relative;
    overflow: hidden;
}
.slider .list{
    position: absolute;
    width: max-content;
    height: 100%;
    left: 0;
    top: 0;
    display: flex;
    transition: 1s;
}
.slider .list img{
    width: 1300px;
    max-width: 100vw;
    height: 100%;
    object-fit: scale-down;
    
}
.slider .buttons{
    position: absolute;
    top: 45%;
    left: 5%;
    width: 90%;
    display: flex;
    justify-content: space-between;
}
.slider .buttons button{
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #fff5;
    color: #fff;
    border: none;
    font-family: monospace;
    font-weight: bold;
}
.slider .dots{
    position: absolute;
    bottom: 10px;
    left: 0;
    color: #fff;
    width: 100%;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
}
.slider .dots li{
    list-style: none;
    width: 10px;
    height: 10px;
    background-color: #fff;
    margin: 10px;
    border-radius: 20px;
    transition: 0.5s;
}
.slider .dots li.active{
    width: 30px;
}
@media screen and (max-width: 768px){
    .slider{
        height: 400px;
    }
}