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

h1, h2 {
    all: unset;
}

body {
    font-family: "Roboto","Open Sans",helvetica,arial,sans-serif;
    line-height: 1.6;
}

.header {
    overflow: hidden;
    padding: 15px;
    background-image: url('../img/header.jpg');
    background-size: cover;
}

.header .logo-img {
    max-height: 65px;
}

.header a {
    float: left;
    color: black;
    text-align: center;
    padding: 20px;
    text-decoration: none;
    line-height: 25px;
    border-radius: 4px;
}

.header a:hover {
    background-color: #b0b0b0;
    color: black;
}

.header a.active {
    background-color: #0300ff;
    color: #fff;
    font-weight: bold;
}

.header-right {
    float: right;
}

.container::after {
    content: "";
    clear: both;
    display: table;
}

.left-panel {
    background: #fff;
    width: 40%;
    float: left;
    padding: 35px;
    min-height: 200px;
    display: grid;
    place-items: center;
    text-align: center;
    height: 670px;
}

.left-panel p {
    font-size: 2.0rem;
    padding: 30px;
}

.right-panel {
    width: 60%;
    float: left;
    background: #fff;
    color: #000;
    padding: 35px;
    min-height: 200px;
    height: 670px;
}

.right-panel img {
    width: 100%;
    height: 100%;
    border-radius: 20px; 
    max-height: 600px;
    max-width: 800px;
    object-fit: cover; 
    display: block;
    margin-left: auto;
    margin-right: 0;
}

.one-panel {
    text-align: center;
    height: 670px;
}

.one-panel::before {
    content: '';
    display: inline-block;
    vertical-align: middle;
    height: 100%; 
}

.one-panel .unconst {
    padding: 1rem;
    max-width: 350px; 
    text-align: center;
    display: inline-block;
    vertical-align: middle;
}

.one-panel .unconst h1 {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin: 0;
}

.one-panel .unconst h1::after {
    content: "";
    background-color: #ffe800;
    background: repeating-linear-gradient(45deg, #ffe800, #ffe800 0.5rem, #222 0.5rem, #222 1.0rem);
    display: block;
    height: 0.5rem;
    margin-top: 1rem;
}

.one-panel .unconst p {
    margin: 1rem 0 0 0;
    font-size: 1.5em;
}

.footer {
    text-align: center;
    padding: 1.5rem 0;
    font-size: 0.9rem;
    color: #737373;
}

.footer a {
	color: #737373;
	text-decoration: none;
}

.footer a:hover {
	color: #737373;
}

@media (max-width: 768px) {
    .left-panel, .right-panel {
        width: 100%;
        float: none;
        padding: 20px;
    }
    .left-panel {
        height: 0;
    }
    .left-panel p {
        padding: 20px;
        font-size: 1.5rem;
    }
    .header a {
        float: none;
        display: block;
        text-align: left;
        padding: 10px;
    } 
   .header-right {
        float: none;
        margin-top: 10px;
    }
}