style.css

body {
    font-family: "IBM Plex Sans", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.container {
    display: flex;
    margin: 20px;
}
.guide {
    flex: 1;
    padding: 50px;
    position: relative;
}
.app {
    flex: 2;
    position: relative;
    border: 2px dashed #F3153C;
}
#yoursaas {
    position: absolute;
    right: 3px;
    top: 10px;
    width: 150px;
}
#github-link img {
    position: absolute;
    left: 50px;
    top: 20px;
    width: 30px;
}
.guide p {
    font-size: 16px;
    line-height: 1.5;
    max-width: 80%;
}
.guide p.small {
    font-size: 14px;
    color: #666;
}
.guide p b {
    color: #007bff;
}
input, select, textarea {
	  display: block;
	  box-sizing: border-box;
	  width: 100%;
	  border-radius: 0;
}
.app-event-form {
    max-width: 400px;
    padding: 20px;
    border: 1px solid #f5f5f5;
    box-shadow: 2px 8px 14px gray;
}
.app-event-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.app-event-form input,
.app-event-form textarea {
    padding: 10px;
    border: 2px solid #007bff;
    border-radius: 5px;
    outline: none;
}
.app-event-form input[type="submit"] {
    padding: 10px;
    border: none;
    border-radius: 5px;
    background-color: #007bff;
    color: white;
    cursor: pointer;
}
.app-event-form input[type="submit"]:hover {
    background-color: #0056b3;
}