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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #d0f7ca;
}
.container{
    width: 1200px;
    margin: 0 auto;
}
header {
    background-color: #f3fff1;
    padding: 10px 20px;
    border-bottom: 3px solid #4CAF50;
}
header .container{
    display: flex;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 80px;
}

nav {
    margin-top: 10px;
}

nav a {
    display: inline-block;
    padding: 8px 15px;
    text-decoration: none;
    color: white;
    background-color: #4CAF50;
    border-radius: 3px;
    margin-right: 5px;
}

nav a.active {
    background-color: #45a049;
}
.banner .container{
    height: 100px;
}
.banner img{
    width: 100%;
    height: 100%;
    display: block;
}
.tools {
    background: #f3fff1;
    padding: 20px;
    border-radius: 5px;
}

.tool-row {
    display: flex;
    margin-bottom: 15px;
    background: url(../images/s05.jpg) repeat-x;
}

.tool-btn {
    height: 30px;
}
.tool-btn a{
    display: block;
}
.tool-btn img{
    height: 100%;
    display: block;
}
.options {
    display: grid;
    gap: 15px;
    margin-bottom: 15px;
}

.option-group {
    display: flex;
    gap: 20px;
    align-items: center;
}

.replace-section {
    display: flex;
    gap: 10px;
}

.replace-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.main-editor {
    width: calc(100%);
    height: 400px;
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 5px;
    resize: vertical;
}

footer {
    text-align: center;
    padding: 20px;
    background: #f3fff1;
    margin-top: 20px;
}

.links {
    margin-bottom: 10px;
}

.links a {
    color: #4CAF50;
    text-decoration: none;
}

.copyright {
    color: #666;
    font-size: 14px;
}

.small-input {
    width: 40px;
    text-align: center;
}

.option-group select {
    padding: 2px 5px;
    margin: 0 5px;
}

.option-group label {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}