/*------------------ css reset -------------------------*/

* {
    margin: 0;
    font-size: 100%;
}

body {
    width: 100%;
    max-width: 100%;
    margin: auto;
    line-height: 1.5em;
    background-color: white;
    font-size: 1em;
    font-family: 'dosis', sans-serif;
    color: black;
    float: left;
}


/*------------------- typography --------------------------*/
section.welcome h1 {
    max-width: 100%;
    text-align: center;
    margin-right: 15em;
    font-size: 2em;
    margin-top: 1em;
}

section.welcome h2 {
    letter-spacing: 0.01em;
    max-width: 100%;
    text-align: center;
    margin: auto;
    font-size: 2em;
    padding-top: 25%;
    padding-left: 30%;
    font-family: 'dosis', sans-serif;
    font-weight: normal;
    color: white;
}

section.welcome {
    background: white;
    margin: auto;
    padding-bottom: 20vh;
    padding-top: 2em;
}

#oxygen img {
        max-height: 400px;
        max-width: 400px;
        margin-left: 60vw;
    }

.about-oxygen {
    width: 100%;
    line-height: 1em;
    margin: auto;
    background-color: white;
    font-size: 1.75em;
    float: left;
    max-height: 100vh;
}
.about-oxygen h2 {
    
    margin-left: 100px
}

#about-oxygen-list ul {
    line-height: 2em;
    margin-left: -100px;
    font-size: 30px;
    float: left;
    margin-top: 130px;
    width: 40%;
  
}
/*------ bullets 
#about-oxygen-list-2li {
     list-style-image: url('img/lilac-bullet.png');
   
}
---------*/

#about-oxygen-list-2 ul {
    line-height: 2em;
    margin-left:100px;
    font-size: 30px;
    margin-top: 30px;
    width: 50%;
    margin-bottom: 1em;
}

/*------ bullets 
#about-oxygen-list li {
     list-style-image: url('img/lilac-bullet.png');
   
}
---------*/
img {
    max-width: 100%;
    display: block;
    margin: auto;
} 

#back-button {
    margin-left: 40px;
    float: left;
}


#back-button:hover {
    transform: scale(1.25, 1.25) ;
    transition: .3s;
    z-index: 1;
    
        
}
/*--- paragraphs ---*/

p {
    line-height: 1.65em;
    letter-spacing: .01em;
    max-width: 100%;
    text-align: center;
    margin: auto;
    font-size: .75em;
    font-family: 'dosis', sans-serif;
    font-weight: normal;
    color: black;
}