* {
    margin: 0;
    padding: 0;
}

body {
    height: 120vh;
    /* display: flex;
    flex-direction: column;
    justify-content: space-between; */
}

header {
    position: sticky;
    top: 0%;
    height: 8vh;
    /* border: 2px solid black; */
}

.start {
    background-color: rgb(0, 0, 123);
    height: 8vh;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.start p {
    margin-right: 10%;
    color: white;
    font-weight: 600;
    letter-spacing: -1;
    font-family: sans-serif;
}

.start p:nth-child(1) {
    font-size: 1.8vw;
}

.start button {
    font-family: sans-serif;
    margin-left: 30%;
    font-size: 1.2vw;
    width: 10vw;
    height: 5vh;
    background: #00cc83;
    border-color: #00cc83;
    color: #fff;
    transition-duration: .2s;
    transition-property: background-color, border-color, color;
}