main {
    background: rgb(248, 249, 252);
}

.container {
    width: 1200px;
    margin: 0 auto;
    padding-top: 20px;
    padding-bottom: 120px;
}

.container nav {
    font-size: 16px;
    font-weight: 500;
    color: rgba(51, 51, 51, 1);
}

.container nav a {
    color: rgba(153, 153, 153, 1);
}

.container .icon {
    width: 785px;
    margin: 180px auto 90px;
    display: block;
}

.container .btn {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: auto;
    width: 420px;
    height: 72px;
    border-radius: 36px;
    background: rgba(1, 83, 181, 1);
    box-shadow: 0px 2px 10px rgba(1, 83, 181, 0.47);
    font-size: 24px;
    font-weight: 500;
    color: rgba(255, 255, 255, 1);
    cursor: pointer;
}

.container .btn img {
    margin-left: 20px;
    display: block;
    width: 9px;
}