*{
    margin: 0;
    box-sizing: border-box;
    padding: 0;
}
html,body{
    width: 100%;
    height: 100%;
}
#home{
    font-family: Oswald, sans-serif;
}

#installation .codeToCopy{
    min-width: 510px;
}
section > main{
    height: fit-content;
}
section{
    min-height: 100%;
}

/*position*/
.p-absolute{
    position: absolute;
}
.p-relative{
    position: relative;
}
.p-fixed{
    position: fixed;
}
.p-sticky{
    position: sticky;    
}

#installation > article{
    margin: 20px 0;
    padding: 10px 0
}
#installation > article > main{
    border-radius: 5px;
}
.copy{
    right: 10px;
    top: 10px;
    cursor: pointer;
    display: block;
    padding: 0 0 10px 10px;
}
.copy.copied::after{
    content: 'Copied';
}
.copy::after{
    content: 'Copy to clipboard';
    font-size: 12px;
    position: absolute;
    top: -35px;
    width: max-content;
    right: -5px;
    background-color: #1b2223;
    padding: 8px 10px;
    border-radius: 5px;
    color: #FFF;
    z-index: -1;
    opacity: 0;
    transition: opacity .3s ease;
}
.copy:hover::after{
    opacity: 1;
    z-index: 4;
}

#installation > article > p{
    margin: 5px 0;
}
/* button */
.btn{
    border: 1px solid black;
    border-radius: 5px;

}
.btn-sml{
    width: 7.5em;
    height: 2em;
}
.btn-med{
    width: 15em;
    height: 3em;
}
.btn-lg{
    width: 20em;
    height: 4em;
}

#btns-hover{
    background-color: #0e83cd;
    padding: 10px 20px;
}
#btns-arrows{
    background-color: #2ecc71;
    padding: 10px 20px;
}
#btns-actinos{
    padding: 10px 20px;

}
#btns-splash{
    background-color: #3851bc;
    padding: 10px 20px;
}
.btn-mail{
    width: 75px !important;
    padding: 20px;
    font-size: 20px;
    border-radius: 50%;
}
#btns-splash button,
#btns-actinos button,
#btns-arrows button,
#btns-hover button{
    margin-top: 30px !important;
    z-index: 3;
}
#btns-splash .copy,
#btns-actinos .copy,
#btns-arrows .copy,
#btns-hover .copy{
    top: 0;
    right: 40px;
}