/*******************************
            OSNOVNI CSS
*******************************/

* {
    box-sizing: border-box;
}

body{
    margin: 0;
    display: flex;
}


/*******************************
            HEADER
*******************************/

header {
    margin: 0;
    text-align: center;
}


/*******************************
            CONTAINER
*******************************/

.container{
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    width:100%;
    min-height: 100vh;
    background-color: lightblue;
}


/*******************************
            CONTENT
*******************************/

main{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    max-width: 1000px;
}

.box {
    position: relative;
    width: 400px;
    height: 250px;
    overflow: hidden;
    border: 15px solid grey;
    border-radius: 15px;
    margin: 10px;
}

img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all linear 0.4s;

}

.hover_img {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}

.box:hover img {
    opacity: 0;

}

.box:hover .hover_img {
    opacity: 1;

}


/*******************************
            FOOTER
*******************************/

footer {
    text-align: center;
}