body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100vh;
    margin: 0;
}

header {
    background-color: #414141;
    color: white;
    padding: 20px;
    width: 100%;
    text-align: center;
}

nav {
    position: relative;
    margin: 0px auto 0;
    width: 590px;
    height: 50px;
    background: #5e5f61;
    border-radius: 100px;
    font-size: 0;
    box-shadow: 0 2px 3px 0 rgba(0,0,0,.1);
}

nav a {
    font-size: 15px;
    text-transform: uppercase;
    color: white;
    text-decoration: none;
    line-height: 50px;
    position: relative;
    z-index: 1;
    display: inline-block;
    text-align: center;
}

nav .animation {
    position: absolute;
    height: 100%;
    top: 0;
    z-index: 0;
    background: #ff0303;
    border-radius: 100px;
    transition: all .5s ease 0s;
}

nav a:nth-child(1) {
    width: 100px;
}

nav .start-home, a:nth-child(1):hover~.animation {
    width: 100px;
    left: 0;
}

nav a:nth-child(2) {
    width: 110px;
}

nav a:nth-child(2):hover~.animation {
    width: 110px;
    left: 100px;
}

nav a:nth-child(3) {
    width: 100px;
}

nav a:nth-child(3):hover~.animation {
    width: 100px;
    left: 210px;
}

nav a:nth-child(4) {
    width: 160px;
}

nav a:nth-child(4):hover~.animation {
    width: 160px;
    left: 310px;
}

nav a:nth-child(5) {
    width: 120px;
}

nav a:nth-child(5):hover~.animation {
    width: 120px;
    left: 470px;
}

.container {
    background-color: #fff;
    padding: 50px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    width: 100%;
    margin-top: 20px;
}

h2 {
    margin-bottom: 20px;
    color: #333;
    text-align: center;
    font-size: 24px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #555;
    font-weight: bold;
}

input, textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 16px;
}

textarea {
    resize: vertical;
    height: 150px;
}

button {
    padding: 15px 30px;
    background-color: #f80505;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #882121;
}

button:active {
    background-color: #5a0f0f;
}

button:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(207, 29, 29, 0.5);
}