@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;500&family=Poppins:wght@300&family=Righteous&family=Work+Sans:ital,wght@0,100;0,200;0,300;0,400;0,600;0,800;1,200&display=swap');

*{
    box-sizing: border-box;
    font-family: 'Poppins';
    margin: 0;
    padding: 0;
}

body{
    margin: 0px;
    background-color:aliceblue;
}

.contenedor-header{
    position: fixed;
    z-index: 99;
    top: 0;
    left: 0;
    width: 100%;
}

.contenedor-header header{
    display: flex;
    border: 1px solid black;
    background-color: aqua;
    margin: auto;
    max-width: 100%;
    position: relative;

}

header h1{
    margin: 20px;
}

.contador{
    padding: 5px 20px;
    right: 15px;
    position: absolute;
    bottom: 25px;
    border-radius: 5px;
    background-color: cornflowerblue;
    color: white;
}

.contenedor{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
    margin-top: 15vh;
}

.card{
    position: relative;
    background-color: white;
    box-shadow: 0 5px 18px 0 rgba(0, 0, 0, 0.2);
    margin: 40px;
    padding: 10px;
}

.card img{
    width: 300px;
}

.card button{
    width: auto;
    margin-left: 50%;
    transform: translateX(-50%);
    padding: 10px 20px;
    border: none;
    border: 1px solid aqua;
    border-radius: 5px;
    background-color: white;
    transition-duration: 0.4s;
}

.card button:hover{
    background-color: cyan;
    color: white;
}