body {
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    padding: 0;
    margin: 0;
}

body * {
    box-sizing: border-box;
}

html {
    background: #d5d5d5;
}

.logoBox {
    width: 400px;
    height: 300px;
    padding: 0;
    margin: auto;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    color: #707070;
    font-weight: bold;
    font-family: Tahoma, sans-serif;
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
}

.logoBox > .logo {
    border: 10px solid #707070;
    padding: 15px;
    font-size: 100px;
    width: 100%;
    letter-spacing: 10px;
    display: flex;
    justify-content: center;
}

.logoBox .subName {
    width: 100%;
    font-size: 50px;
    text-transform: uppercase;
    padding: 10px 0;
    justify-content: center;
    display: flex;
    text-align: justify;
}

@media screen and (max-width: 450px) {
    body {
        padding: 0 10px;
    }

    .logoBox {
        width: 100%;
    }
}