* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: #3d3d3d;
}

.container {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logosite {
    max-width: 500px;
}

@media screen and (max-width : 600px) {

    * {
        padding: 0;
        margin: 0;
        box-sizing: border-box;
    }

    .logosite {
        width: 300px;
    }

    .container {
        max-height: 100% !important;
        display: flex;
        justify-content: center;
        align-items: center;
    }

}