* {
    align-items: center;
    text-align: center;
}

h1 {
    width: 600px auto;

    background: linear-gradient(rgba(176, 196, 222, 0.8), rgba(0, 64, 128, 0.9)); 
    border: 1px solid rgb(73, 80, 87);
    padding: 1rem;
    border-radius: 1000px;
    cursor: pointer;
    color: rgb(33, 37, 41);
}

h1:hover {
    background: linear-gradient(rgba(0, 64, 128, 0.9), rgba(176, 196, 222, 0.8));
}

table {
    width: 20%;
    border-collapse: collapse;
    color: #212529;
    margin: 100px auto;
    align-items: center;
}

table th {
    border: 1px solid rgb(73, 80, 87);
    background: rgba(222, 226, 230, 0.9);
    padding: 12px;
    border: 1px solid rgb(73, 80, 87); 
}

table td {
    padding: 10px;
    border: 1px solid rgb(73, 80, 87);
    text-align: center;
}

table tr:hover {
    background: linear-gradient(rgba(234, 239, 242, 0.8), rgba(211, 217, 222, 0.8));
}

body {
    margin: 0 auto;
    font-family: 'Times New Roman';
    padding: 0;
    box-sizing: border-box;
    font-weight: bold;
    line-height: 1.6;
    background: linear-gradient(rgba(234, 239, 242, 0.8), rgba(255, 255, 255, 0.9)); 
}

section {
    /* Gradiente de fondo formal */
    background: linear-gradient(rgba(234, 239, 242, 0.8), rgba(255, 255, 255, 0.9)); 
}

.Month {
    color: rgb(33, 37, 41);
    font-size: 30px;
    background: linear-gradient(rgba(176, 196, 222, 0.8), rgba(0, 64, 128, 0.9));
    border: 1px solid rgb(73, 80, 87);
    padding: 1rem;
    border-radius: 1000px;
    cursor: pointer;
    color: rgb(33, 37, 41);
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.Month:hover {
    background: linear-gradient(rgba(0, 64, 128, 0.9), rgba(176, 196, 222, 0.8));
}

.Back {
    list-style: none;
    text-decoration: none;
    font-size: 15px;
    color: rgb(0, 64, 128);
    padding: 1rem;
    border: 1px solid rgb(73, 80, 87);
    border-radius: 100px;
    background-color: rgba(234, 239, 242, 0.8);
}

.Back:hover {
    background-color: rgba(176, 196, 222, 0.8); 
    color: rgb(255, 255, 255); /
}

nav ul li a {
    list-style: none;
    text-decoration: none;
}

.Inv-days {
    color: rgb(170, 170, 170); 
}