*{
    box-sizing: border-box;
}

body{
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    color: #333;
    overflow-x: hidden;

}
.v-header{
    height: 100vh;
    display: flex;
    align-items: center;
    color: #fff;
}

.container{
    max-width: 1200px;
    padding-left: 1rem;
    padding-right: 1rem;
    margin: auto;
    text-align: center;

}

.fullscreen-video-wrap{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    overflow:hidden;
}

.fullscreen-video-wrap video{
    min-width: 100%;
    min-height: 100%;
}

.header-overlay{
    height: 100vh;
    width: 100vw;
    position: absolute;
    top: 0;
    left: 0;
    background: #225470;
    z-index: 1;
    opacity: 0.70;

}

.header-content{
    z-index: 2;
}

.header-content h1{
    font-size: 30px;
    margin-bottom: 0;
    margin-top: 0;
}

.header-content p{
    font-size: 1.5rem;
    display: block;
    padding-bottom: 2rem;
}

.header-content p span{
    font-size: 2rem;
    font-weight: 600;
    text-shadow: darkgray;
}

.btn{
    background: #34b3a0;
    color: #fff;
    font-size: 1.2rem;
    padding: 0.5rem 1rem;
    text-decoration: none;
    border-radius: 10px;
}

img{
    opacity: 0.75;
    margin-bottom: 0;
    padding: 0;
}

@media(max-width:960px){
    .container{
        padding-right: 1rem;
        padding-left: 1rem;
    }
}

    .btn_sound
    {
    position: sticky;
    top: 44rem;
    right: 4rem;
    width: 100px;
    height: 100px;
    background: url(sound.png);
    background-repeat: no-repeat;
    background-size: 30px;
    background-position: center;
    cursor: pointer;
    z-index: 5;
    }