header{
    background-color:silver;
    background-image: url(/images/backgroundinflu.png);
    background-size: cover;
    background-repeat: no-repeat;
    padding: 50px;
}

@media only screen and (max-width: 800px) {
    header {
        padding: 50px;
    }
  }

.sec-app{
    display: flex;
    flex-direction: column;
    align-items: center;
}

.app-title{
    color: white;
    font-size: 50px;
    font-family:'Bebas Neue';
    margin-bottom: 30px;
    text-align: center;
}

.app-title span{
    color:yellow;
    font-size: 60px;
}

@media only screen and (max-width: 800px) {
    .app-title {
        margin-bottom: 20px;
        font-size: 40px;
    }
    .app-title span{
        font-size: 45px;
    }
  }

.app-logo{
    width: 25%;
    margin-bottom: 30px;
}

@media only screen and (max-width: 800px) {
    .app-logo {
        width: 50%;
    }
  }

.app-buttom{
    background-color: white;
    color:#071D59;
    font-size: 12px;
    font-weight: bold;
    border-radius: 15px;
    font-family: sans-serif;
    font-weight: bold;
    font-style: italic;
    text-decoration: none;
    text-align: center;
    padding: 15px 15px;
    transition: 0.5s;
    box-shadow: 0px 0px 10px 7px rgb(0 0 0 / 15%);
    margin-bottom: 10px;
}

.app-buttom:hover{
    color:#0dcaf0;
}