img {
    max-width: 300px;
    height: auto;
}

.container {
    margin: 20px;
    padding: 10px;
}

.container2 {
    display: flex;
    justify-content: space-evenly;
}

body {
    font-family: Arial, sans-serif;
    background-color: #e6f2ff;
    margin: 0;
    padding: 0;
}
header {
    background-color: #1c4f6e;
    color: #ffffff;
    padding: 20px;
    text-align: center;
}
h1 {
    font-size: 3em;
    margin: 0;
}
nav {
    background-color: #337ab7;
    color: #ffffff;
    padding: 10px;
}
nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}
nav li {
    margin: 0 10px;
}
nav a {
    color: #ffffff;
    text-decoration: none;
    font-size: 1.2em;
    padding: 10px;
}
nav a:hover {
    background-color: #ffffff;
    color: #337ab7;
    border-radius: 5px;
}
main {
    margin: 20px;
    padding: 20px;
    background-color: #ffffff;
    box-shadow: 0px 0px 10px #999999;
}
h2 {
    font-size: 2em;
    margin-top: 0;
}
p {
    font-size: 1.2em;
    line-height: 1.5;
}

button {
    padding: 10px 20px;
    background-color: #008CBA;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
}

input {
    padding: 10px 20px;
    background-color: #b4b7b8;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
}

.box {
    width: 190px;
    height: 60px;
    background-color: gray;
    border-radius: 5px;
    color: white;
    font-size: 24px;
    display: flex;
    justify-content: left;
    padding-left: 10px;
    align-items: center;
  }