* {
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-attachment: fixed;
    
}

body img {
    background-repeat: no-repeat;
    background-attachment: fixed;
}

header {
    display: flex;
    width: 90%;
    margin: auto;
    
}
.logo-container,
.title-main {
    display: flex;
}

.presentacion {
    display: flex;
    width: 85%;
    margin: auto;
    min-height: 80vh;
}

.introduccion {
    flex: 1;
    
}

.intro-text h1, h3, h4 {
    background: linear-gradient(to right, #1A1033, #1A1033);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.intro-text h1 {
    font-size: 20px;
    
}

.intro-text h3 {
    font-size: 15px;
}

.intro-text h4 {
    font-size: 14px;
}

p {
    text-align: justify;
    font-size: 13px;
}

ol {
    text-align: justify;
    font-size: 13px;
    margin-left: 20px;
}

h1 {
    text-align: center;
}



.big-circle {
    position: absolute;
    top: 0px;
    right: 0px;
    z-index: -1;
    opacity: 0.4;
    height: 80%;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.medium-circle {
	position: absolute;
	top: 30%;
	right: 30%;
	z-index: -1;
	height: 60%;
	opacity: 0.4;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.small-circle {
	position: absolute;
	bottom: 0%;
	left: 20%;
    opacity: 0.4;
	z-index: -1;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

@keyframes drop {
	0% {
		opacity: 0;
		transform: translateY(-80px);
	}
	100% {
		opacity: 1;
		transform: translateY(0px);
	}
}