body {
    margin: 5vh;
} 

header {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 10vh;
    margin-bottom: 5vh;
    padding: 2vh;
}

header img {
    height: 20vh;
}

header h1 {
    margin: 0;
    text-align: center;
}


table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

td, th {
    border: 1px solid #dddddd;
    text-align: left;
    padding: 8px;
    word-wrap: break-word;
}

td {
    text-align: center;
}


textarea, input[type="text"], select {
    resize: none;
    width: 100%;
    padding: 1.2vh 2vh;
    margin: 0.8vh 0;
    box-sizing: border-box;
    border: 0.2vh solid #ccc;
    border-radius: 0.4vh;
}

input[type="submit"] {
    width: 100%;
    background-color: #4CAF50;
    color: white;
    padding: 1.4vh 2vh;
    margin: 0.8vh 0;
    border: none;
    border-radius: 0.4vh;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #45a049;
}

@media screen and (max-width: 600px) {
    textarea, input[type="text"], select {
        width: 100%;
    }
}