*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    min-height: 100vh;
    width: 100%;
    background-color: cornsilk;
    position: relative;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
}

video{
    position: absolute;
    min-width: 100%;
    min-height: 100%;
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    overflow: hidden;
}

.cover{
    position: absolute;
    width: 100vw;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
} 

.text {
    position: relative;
    z-index: 10;
    width: 60%;
} 

.heading{
    margin: 50px 0;
}

.service{
    margin: 50px 0;
}

.contacts{
    margin-top: 50px;
}

h1, h2, h3{
    margin: 20px 0;
}

p{
    line-height: 1.5;
}
h3{
    color: salmon;
}