body{
    background-color:#1f2937;
    color:white;
    font-family: 'Montserrat', sans-serif;
    display:grid;
    margin:0;
}

nav{
    background-color: #5b21b6;
    padding: 1.5rem;
    margin:auto;
}

a{
    color:white;
    margin:1rem;
    font-size: larger;
    text-decoration: none;
    font-weight: bold;
    font-style: italic;
}

h2{
    text-align: center;
    padding:2rem;
    margin:1rem;
}

.container{
    display: grid;
    width:50%;
    margin:auto;
    text-align: center;
    padding:0.5rem;
}

.angle-input{
    padding:0.5rem;
    margin:1rem;
}

#is-triangle-btn{
    background-color: #5b21b6;
    color:white;
    display: grid;
    width:20%;
    margin:auto;
    text-align: center;
    padding:1rem;
    border-radius:2rem;
    font-weight: bolder;
    font-size: 20px;
}

#output{
    color:white;
    text-align: center;
    padding:1rem;
    font-weight: bold;
    font-style: italic;
}