style.css

body{
    margin: 0;
    font-family: sans-serif;
    background-color: rgb(218, 224, 247);
}
h3{
    text-align: center;
    font-size: 30px;
    margin: 0;
    padding-top: 10px;
    font-style: italic;
}
a{
    text-decoration: none;
}
.gallery{
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
    align-items: center;
    margin: 50px 0;
}
.content{
    width: 20%;
    margin: 15px;
    box-sizing: border-box;
    float: left;
    text-align: center;
    border-radius: 20px;
    cursor: pointer;
    padding-top: 10px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0,0,0,0.22);
    transition: .4s;
    background: #f2f2f2;
}
.content:hover{
    box-shadow: 0 30px 7px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
    transform: translate(0px,-8px);
}
img{
    width: 200px;
    height: 200px;
    text-align: center;
    margin: 0 auto;
    display: block;

}
p{
    text-align: center;
    color: #b2bec3;
    padding-top: 0 8px;
}
h6{
    font-size: 26px;
    text-align: center;
    color: #02070e;
    margin: 0;


}
ul{
    list-style: none;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 0;
}
li{
    padding-top: 5px;
}
.fa{
    font-size: 26px;
    transition: .4s;
    margin: 3px;

}
.checked{
    color: #ff9f48;
}
.fa:hover{
    transform: scale(1.3);
    transition: .6s;
}
button{
    text-align: center;
    font-size:24px ;
    color: #fff;
    width: 100%;
    padding: 15px;
    border: 0;
    outline: none;
    cursor: pointer;
    margin-top: 5px;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;

}
.buy-1{
    background: blue;

}
.buy-2{
    background: #222f3e;
}
.buy-3{
    background: black;
}
.buy-4{
    background: #3b3e6e;
}