HTMLify

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

@font-face {
    font-family: "sans";
    src: url(font/sans.ttf);
}

body{
    display: flex;
    flex-direction: column;
    background-color: #19172e;
    color: white;
    font-family: "sans";
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

h1{
    position: absolute;    
    top: 0;
    padding-top: 120px;
    margin-bottom: 100px;
    font-size:3rem;
}

#stopwatch{
    font-size: 2.5rem;
}

#buttons{
    position: relative;
    display: flex;
    flex-direction: row;
    list-style: none;
    padding: 10px;
}
#lapBox{
    width: 100%;
    height: 100px;
    display: flex;
    box-sizing: content-box;
    flex-wrap: wrap;
    flex-flow: column;
    padding: 10px 0;
    margin-top: 10px;
    align-items: center;
    justify-content: center;
    overflow: auto;

}
#lapBox h1{
    position: relative;
    margin-top: 15px;
    margin-bottom: 0;
    font-size: 2rem;
    padding: 0;
}
button{
    cursor: pointer;
    margin: 10px;
    font-size: 1.2rem;
    padding: 8px;
    border-radius: 10%;
    border: none;
    outline: none;
}

button:active{
    background-color: #1e8e3e;
}

footer {
    position: absolute;
    text-align: center;
    font-size: 1rem;
    bottom: 0;
    margin-top: 120px;
    padding: 5px;
    line-height: 3vh;
}

footer a:visited {
    color: inherit;
}

/* Tablet Landscape */
@media screen and (max-width: 1080px) {
    #primary { width:67%; }
    #secondary { width:30%; margin-left:3%;}  
}

/* Tabled Portrait */
@media screen and (max-width: 768px) {
    #primary { width:100%; }
    #secondary { width:100%; margin:0; border:none; }
}