body {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
    background-color: #ffffff;
}

body > br { 
    display: none; 
}

p.fourlayer-grid { 
    display: none; 
}

body::before {
    content: '';
    order: 0;
    width: 100%;
    height: 60px;
    background-color: #000000;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
}

#first {
    order: 1;
    height: 60px;
    display: flex;
    align-items: center;
    background-color: transparent;
    color: #ffffff;
    padding: 0 24px;
    box-sizing: border-box;
}

#first:last-of-type {
    margin-left: auto;
}

#first button {
    background-color: red;
    color: #ffffff;
    border-style: none;
    border-radius: 5px;
    padding: 10px 20px;
}

.bg {
    order: 2;
    width: 100%;
    height: 450px;
    margin: 0;
    padding: 0;
    background-image: url("src/couple-driving-convertible-banner-3000x1000.avif");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

h2.up {
    order: 3;
    width: 100%;
    text-align: center;
    margin-top: 50px;
    margin-bottom: 10px;
    padding: 0;
}

p.up {
    order: 4;
    width: 100%;
    text-align: center;
    margin-top: 0;
    margin-bottom: 50px;
    padding: 0;
}

h3:nth-of-type(1) { order: 5; }
h3:nth-of-type(2) { order: 6; }
h3:nth-of-type(3) { order: 7; }
h3:nth-of-type(4) { order: 8; }

h3 {
    width: 25%;
    margin: 0;
    padding: 0 5%;
    box-sizing: border-box;
}

h3 u {
    text-decoration: none;
    border-bottom-style: solid;
    border-bottom-width: 2px;
    border-bottom-color: #000000;
    padding-bottom: 5px;
}

h3:nth-of-type(1) + p { order: 9; }
h3:nth-of-type(2) + p { order: 10; }
h3:nth-of-type(3) + p { order: 11; }
h3:nth-of-type(4) + p { order: 12; }

h3 + p {
    width: 25%;
    margin-top: 15px;
    margin-bottom: 80px;
    padding-top: 15px;
    padding-bottom: 15px;
    padding-left: 5%;
    padding-right: 5%;
    box-sizing: border-box;
    border-top-style: solid;
    border-top-width: 1px;
    border-top-color: #cccccc;
    border-bottom-style: solid;
    border-bottom-width: 1px;
    border-bottom-color: #cccccc;
    line-height: 2.5; 
}

p.frame {
    order: 13;
    width: 46%;
    margin: 0 2% 80px 2%;
    padding: 30px;
    background-color: #f4f4f4;
    border-style: solid;
    border-width: 1px;
    border-color: #e0e0e0;
    border-radius: 8px;
    box-sizing: border-box;
}

p.frame img {
    width: 100%;
    height: 250px;
    margin-bottom: 20px;
    border-radius: 5px;
}

.button, .btn {
    margin-top: 20px;
    padding: 10px 20px;
    border-style: none;
    border-radius: 5px;
    color: #ffffff;
}

.button { background-color: #2e8b57; }
.btn { background-color: #d50000; }

p[id="one"], p[id="o"], p[id="n"] {
    order: 14;
    width: 30%;
    margin: 0 1.6% 80px 1.6%;
    padding: 20px;
    background-color: #ffffff;
    border-style: solid;
    border-width: 1px;
    border-color: #cccccc;
    border-radius: 8px;
    outline-style: solid;
    outline-width: 2px;
    outline-color: transparent;
    box-sizing: border-box;
}

p[id="one"] img, p[id="o"] img, p[id="n"] img {
    width: 100%;
    height: 200px;
    margin-bottom: 20px;
    border-radius: 5px;
    border-bottom-style: solid;
    border-bottom-width: 3px;
    border-bottom-color: #d50000;
}

h2.fo, h2.foo, h2.foot {
    order: 17;
    width: 33.33%;
    margin: 0;
    padding: 60px 20px 20px 10%;
    background-color: #000000;
    color: #ffffff;
    box-sizing: border-box;
    border-top-style: solid;
    border-top-width: 5px;
    
}

h3[id="aa"], h3[id="bb"], h3[id="cc"] {
    order: 18;
    width: 33.33%;
    margin: 0;
    padding: 0 20px 80px 10%;
    background-color: #000000;
    color: #ffffff;
    box-sizing: border-box;
}