* {
    box-sizing: border-box;
}

body {
    font-family: sans-serif;
    background-image: url(/image/studio-arrangement-work.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    margin: 0;
}

.MainSection {
    background-color: #fff;
    text-align: center;
    max-width: 850px;
    margin: 25px auto;
    padding: 80px;
    border-radius: 25px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

a {
  color: #000;
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 0.3s ease;
}

a:hover {
   background-size: 100% 1px;
}

.MainSection h1 {
    font-size: 36px;
    margin-bottom: 25px;
}

.MainSection p {
    font-size: 18px;
    line-height: 1.6;
    color: #333;
}

.MainSection p span {
    font-weight: bold;
}

.InputSection {
    margin-top: 10px;
}

.InputSection div {
    border: 1px solid #ccc;
    padding: 10px;
    border-radius: 5px;
    width: 50%;
    margin: auto;
}

.InputSection input {
    width: 100%;
    border: none;
    outline: none;
    font-size: 16px;
}

.InputSection button {
    background-color: #48e;
    color: #fff;
    border: none;
    width: 50%;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 5px;
    margin-top: 20px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.InputSection button:hover {
    background-color: #2683d4;
}

#mensaje {
    margin-bottom: 0;
    font-size: 20px;
    color: #444;
}