* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
    text-decoration: none;
}
.loading {
    height: 75px;
    width: 75px;
}
.btn-salir {
    border: 0;
    padding: 9px 25px;
    cursor: pointer;
    background: #f82249;
    color: #fff;
    transition: all 0.3s ease;
    outline: none;
    font-size: 14px;
    border-radius: 50px;
}
.btn-salir:hover {
    background: #e0072f;
}
@media (max-width: 460px) {
    .btn-salir {
        margin-top: 10px;
    }
}
.espacio {
    margin-top: 100px;
}
.lista_footer {
    text-align: center;
    padding-top: 20px;
}
.lista_footer li {
    display: inline;
    margin-right: 20px;
    padding-bottom: 10px;
}