body{
    height: 100vh;
    width: 100vw;
    margin: 0px;
    font-family: 'Roboto', sans-serif;
    color: #3b4247;
    background-color: rgba(0, 0, 0, 1);
}

.center{
    background-color: rgba(255, 255, 255, 0.6);
    border-radius: 0.25rem;
    padding: 1rem;
}

@media (orientation: landscape) {
    .center{
        text-align: center;
        width: 50vw;
        margin: 0;
        position: absolute;
        top: 50%;
        left: 50%;
        -ms-transform: translate(-50%, -50%);
        transform: translate(-50%, -50%);
    }
    #logo-img{
        max-width: 40vw;
        max-height: 70vh;
    }
    .title{
        font-size: 3.5vh;
    }
    .subtitle{
        font-size: 2.5vh;
    }
    .button{
        color: rgba(255, 255, 255, 0.6);
        border: none;
        display: inline-block;
        text-align: center;
        text-decoration: none;
        padding: 1vh 2.5vw;
        background-color:#3b4247;
        border-radius: 0.25rem;
        font-size: 2.5vh;
        margin-top: 3vh;
    }

    .button:hover{
        color: rgba(255, 255, 255, 1.0);
        background-color:#737f88;
        cursor:pointer;
    }
}
  
@media (orientation: portrait) {
    .center{
        text-align: center;
        width: 80vw;
        margin: 0;
        position: absolute;
        top: 50%;
        left: 50%;
        -ms-transform: translate(-50%, -50%);
        transform: translate(-50%, -50%);
        
    }
    #logo-img{
        max-width: 65vw;
        max-height: 70vh;
    }
    .title{
        font-size: 7vw;
    }
    .subtitle{
        font-size: 3.5vw;
    }

    .button{
        color: rgba(255, 255, 255, 0.6);
        border: none;
        display: inline-block;
        text-align: center;
        text-decoration: none;
        padding: 1vh 2.5vw;
        background-color:#3b4247;
        border-radius: 0.25rem;
        font-size: 4vw;
        margin-top: 3vh;
    }

    .button:hover{
        color: rgba(255, 255, 255, 1.0);
        background-color:#737f88;
        cursor:pointer;
    }
}