* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
          }
		  
		  html {
            line-height: 1.15;
          }
          a {
          color: #2E8B57;
          }
          div.icon {
          float: left;
		  align-items: center;
          
          }
		  .main-image {
			display: block;
		    float: left;
			margin-left: 10px;
			align-items: center;
			position: relative;
		  }
          a.content {
          margin-right: 15px;
          color: #2E8B57;
          }
          a.content2 {
          margin-right: 15px;
          color: #2E8B57;
          }
          a.content3 {
          margin-right: 15px;
          color: #2E8B57;
          }
		  div.master {
			padding-top: 80px;
		  }
          div {
            border: 0px solid black;
          }
        body {
            font-family: Arial, sans-serif;
        }
        
        /* Шапка */
        header {
            background: #333;
            color: white;
            padding: 20px 5%;
			padding-left: 0;
			padding-right: 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
			max-height: 80px;
			position: fixed;
			width: 100%;
			z-index: 1000;
        }
        /* Меню */
        nav ul {
            display: flex;
			padding-right: 20px;
            list-style: none;
            gap: 20px;
        }
        
        nav a {
            color: white;
            text-decoration: none;
            transition: 0.3s;
        }
        
        nav a:hover {
            color: #4CAF50;
        }
          div.content {
            margin-right: 10px;
            border-radius: 15px 15px 15px 15px;
            margin-top: 400px;
            float: right;
            padding-left: 20px;
            padding-top: 0px;
            padding-bottom: 10px;
            min-height: 300px;
            max-width: 400px;
            background-color: #B0C4DE;
          }
          div.content2 {
            margin-top: 10px;
            margin-right: -420px;
            border-radius: 15px 15px 15px 15px;
            float: right;
            padding-left: 20px;
            padding-top: 0px;
            padding-bottom: 10px;
            min-height: 300px;
            max-width: 400px;
            background-color: #B0C4DE;
          }
          div.content3 {
            margin-top: 0px;
            margin-right: 0px;
            padding-left: 20px;
            padding-right: 450px;
            padding-top: 25px;
            border-radius: 0 0 15px 15px;
            min-height: 1100px;
            background-color: #D3D3D3;
          }
		  div.obs-image {
			position: relative;
			width: 100%;
			height: 450px;
		  }
		  div.obs-image img {
			width: 100%;
			height: 450px;
			object-fit: cover;
			display: block;
		  }
		  .overlay {
			position: absolute;
			top: 0;
			left: 0;
			width: 100%;
			height: 100%;
			background-color: rgba(0, 0, 0, 0.5);
	      }

		  .text-content {
			position: absolute;
			top: 40%; /* Настроено немного выше центра */
			left: 50%;
			transform: translate(-50%, -50%);
			text-align: center;
			color: white;
			width: 80%;
			max-width: 800px;
		  }

		  .text-content h1 {
			font-size: 3em;
			margin-bottom: 20px;
			text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
		  }

		  .text-content p {
			font-size: 1.5em;
			margin: 0;
			text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
		  }