* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}
 
.container{
    font-family: Arial, Helvetica, sans-serif;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 16px;
    justify-content: space-between;
    background-color: white;
 
}

header{
    padding: 16px;
    display: flex;
    justify-content: center;
    background-color: rgb(175, 174, 174);
    margin: 10px;
}
 
main{
    max-width: 960px;
    margin: 0 auto;
}
 
.box {
    position: relative;
    width: 300px;
    height: 300px;
    overflow: hidden;
    border: 15px solid rgb(172, 169, 169);
    border-radius: 15px;
}

section{
    display: flex;
    flex-wrap: wrap;
    display: flex;
    gap: 15px;
}

img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all linear 0.7s;
 
}
 
.hover_img {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}
 
.box:hover img {
    opacity: 0;
 
}
 
.box:hover .hover_img {
    opacity: 1;
 
}

footer{
    color: black;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    background-color:rgb(175, 174, 174) ;
}