html, body {
    margin: 0;
    padding: 0;
    font-family: "Helvetica-medium", sans-serif;
    font-weight: 500;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: all .4s ease;
}
ul {
    list-style: none;
}
a {
    text-decoration: none;
}
button {
    border: none;
    cursor: pointer;
}
button:focus {
    outline: 1px solid #00000000;    
}
input {
    border: none;
}
input:focus {
    outline: 1px solid #00000000;
}