body {
    margin: 0;
    padding: 0;
    background-image: url(./image/background.avif);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.cont {
    background-color: rgba(240, 248, 255, 0.356);
    width: 200px;
    height: 250px;
    border: 5px solid rgb(1, 72, 85);
    text-align: center;
    padding: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    top: 80px;
    left: 528px;
    border-radius: 15px;
    box-shadow: 4px 10px 4px black;

}

.cont:hover {
    transition: 2.5ms;
    background-color: rgba(9, 68, 119, 0.356);
    box-shadow: 30px 30px 20px black;
}

button {

    padding: 10px;
    margin: 8px;
    border-radius: 15px;
    border: 2px solid rgb(1, 72, 85);
    background-color: rgba(188, 242, 255, 0.637);
    color: rgb(1, 72, 85);
    font-weight: bold;
}

button:hover {
    color: rgb(254, 255, 255);
    background-color: rgba(1, 96, 119, 0.699);
    cursor: pointer;
    transition: 0.6;
    box-shadow: 2px 4px 3px black;


}

h2 {
    font-size: xx-large;
    color: white;
    text-shadow: 2px 2px 3px #000000;
}

h1 {
    text-align: center;
    position: relative;
    top: 90px;
    color: white;
    text-shadow: 2px 2px 3px #000000;
    font-size: xx-large;
}

@media screen and (max-width: 768px) {

    body {
        background-size: cover;
        background-position: center;
        background-attachment: fixed;
        min-height: 100vh;
    }

    .cont {
        width: 80%;
        height: auto;
        padding: 30px;
        left: 50%;
        top: 60px;
        transform: translateX(-50%);
    }

    h1 {
        font-size: 28px;
        top: 40px;
    }
}

@media screen and (max-width: 480px) {

    body {
        background-size: cover;
        background-position: center;
        min-height: 100vh;
    }

    .cont {
        width: 85%;
        padding: 20px;
    }

    h1 {
        font-size: 22px;
    }
}