*{
    margin: 0;
    padding: 0;
    font-family: system-ui;
}

header{
    background-color: #00b7ff;
    color: white;
    padding: 5px 10px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    height: 10vh;
}

header h2{
    
    font-size: 2.2rem;
    font-family: cursive;
}

header ul{
    display: flex;
    flex-direction: row;
    align-items: center;
    list-style: none;
}

header ul li a{
    margin-left: 0.8rem;
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
}

#main{
    display: flex;
    flex-direction: column;
    align-items: center;
    /* height: 84vh; */
}

#main h1{
    margin-top: 2.5rem;
    font-size: 3rem;
    color: #00b7ff;
    font-family: cursive;
    font-weight: 800;
    text-shadow: #7adcff 4px 4px 4px;
}

#main p{
    margin-top: 0.5rem;
    font-size: 1.2rem;
    color: #333;
    width: 60%;
    text-align: center;
    margin-bottom: 0.5rem;
}

#pdfViewer{
    /* width: 80%; */
    /* height: 60vh; */
    /* border: 3px solid #00b7ff; */
    /* margin-top: 2rem; */
    /* background: #7adcff54; */
    /* border-radius: 10px; */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
}

#pdfViewer button{
    padding: 0.5rem 1rem;
    font-size: 1.2rem;
    color: white;
    background-color: #00b7ff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    position: relative;
    top: -4rem;
    left: 0px;
    border: 2px solid #00b7ff;

}

#pdfViewer button:hover{
    background-color: white;
    color: #00b7ff;
    border: 2px solid #00b7ff;
}

#pdfViewer input{
    padding: 25vh 28vw;
    font-size: 1.2rem;
    border: 2px solid #00b7ff;
    background: #7adcff54;
    border-radius: 5px;
}

footer{
    background-color: #00b7ff;
    color: white;
    padding: 1rem 0;
    text-align: center;
    font-size:1.5rem;
    height: 6vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

iframe{
    width: 99.7%;
    height: 90vh;
    background: #7adcff54;
}

#fullScreenButton{
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    background: #00b7ff;
    color: white;
    height: 3.5rem;
    width: 3.5rem;
    border-radius: 10px;
    border: 1px solid #00b7ff;
    cursor: pointer;
}