body {
    background-color: black;
    color: white;
    text-align: center;
    margin: 0 auto;
}

.header {
    text-align: left; 
    padding: 20px; 
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    margin-top: 0;
    padding: 0;
    height: 120px;
    width: auto;
    vertical-align: middle;
    margin-right: 20px;
}

h1 {
    font-size: 72px;
    margin: 0;
    margin-right: 600px;
    white-space: nowrap;
    font-family: 'Kanit';
    vertical-align: middle;
    display: inline-block;
}

.main {
    text-align: left;
    padding-top: 25px;
    padding-left: 40px;
    padding-right: 40px;
    margin: 0 auto;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    width: 1200px;
    height: 550px;
    background-color: rgba(29, 29, 29, 0.425);
    border-radius: 25px;
    overflow: hidden;
    
}

.subvideo {
    height: 100%;
    width: 100%;
    justify-content: center;
    display: grid;
}

.video {
    width: 310px;
    

}

@media (max-width: 600px) {
    body {
        overflow-x: hidden;
    }
    .logo {
        margin-top: 0;
        padding: 0;
        height: 90px;
        width: auto;
        vertical-align: middle;
        margin-right: 0;
        display: grid;
    }
    h1 {
        display: none;
    }
    .main {
        width: 75%;
        height: 650px;
        padding-left: 35px;
        padding-right: 35px;
        border-radius: 10px;
    }
}

@media (max-width: 768px) {
    body {
        overflow-x: hidden;
    }
    .logo {
        margin-top: 0;
        padding: 0;
        height: 90px;
        width: auto;
        vertical-align: middle;
        margin-right: 0;
        display: grid;
    }
    h1 {
        display: none;
    }
    .main {
        width: 75%;
        height: 650px;
        padding-left: 35px;
        padding-right: 35px;
        border-radius: 10px;
    }
}

@media (max-width: 320px) {
.video {
    width: 250px;
    

}
    body {
        overflow-x: hidden;
    }
    .logo {
        margin-top: 0;
        padding: 0;
        height: 90px;
        width: auto;
        vertical-align: middle;
        margin-right: 0;
        display: grid;
    }
    h1 {
        display: none;
    }
    .main {
        width: 75%;
        height: 650px;
        padding-left: 35px;
        padding-right: 35px;
        border-radius: 10px;
    }
}