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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
}

.velky{
    font-size: 1000000px;
    font-weight: bolder;
    color: #282c34;
}

.hero {
    background: url('header-image.jpg') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.hero-content h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.hero .btn {
    background-color: #5c4b9e;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
}

.about {
    padding: 50px;
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.about img {
    width: 40%;
}

.about-content div {
    width: 50%;
}

.about-content h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.about-content .btn {
    background-color: #5c4b9e;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
}

.trainers {
    padding: 50px;
    text-align: center;
    background-color: #f9f9f9;
}

.trainers h3 {
    font-size: 2rem;
    margin-bottom: 30px;
}

.trainer-list {
    display: flex;
    justify-content: space-around;
}

.trainer {
    width: 30%;
    text-align: center;
}

.trainer img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 15px;
}

.login {
    background-color: #282c34;
    padding: 50px;
    text-align: center;
    color: white;
}

.login h3 {
    font-size: 2rem;
    margin-bottom: 30px;
}

.login form {
    display: inline-block;
    text-align: left;
}

.login input {
    width: 100%;
    padding: 10px;
    margin-bottom: 20px;
    border: none;
    border-radius: 5px;
}

.login .btn {
    background-color: #5c4b9e;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}